免费大片黄国产在线观看,欧美一区二区三区久

???? ???? ???? ??????? ???? ????? ??? ??? ???? ???? ???????. ??? ?? ??? ????? ????? ???????? ????? ??????????? ???????. ?? ????? ????? ???? ????? ????? ?????? ???? ??? ??? ??? ????? ?? 30 ?????.

2: ??? ??? ??????? ?????? ???? ????????

?????: ????? ???? ???? ?????? ??? ???? ?????? ?? ?? ???? ??????? ??? ????? ????.

3: ????? ???? ????

?? ????? ???? ??????? ???? ????? ???? ????? ?????? ????? ?? ???? ?????? ?????. ??? ?? ??? ??? ???? ??????? ??? ???? ???.

4: ?? ?? ????? ????? ??????? ????????

??? ????? ????? ?????????? ?????? ????? ?????. ????? ?? ??? ??? ????? ?????? ?????????. ??? ???? ????? ??????? ???????? ?????? ??? ???????. ????? ?????? ?? ????? ????? ?????.

5: ????? ???? ???? ??? ??? ??????

???? ????? ????? ??????: ???? ????? ?? ??????? ????? ?? ???? ???????? ????? ???????? ??????? ???? ???????.

6: ????? ???? ????? ??????? (??? ???????)?

???? ????? ??????? ???? ????? ?????? ?? ?????? ???????. ??? ?? ????? ???? ?????? ????? ?????? ?? ???? ????? ?? ????? ??????? ??????? ???? ??????? ?????? ????? ??? ?????? ??? ?? ????? ???????.

7: ????? ???? ????? ?????? ???? ????????

???? ?? ???? ??????? ??????? ??????? ?? ???? ??????? ???? ??????? ????? ???????? ???? ???????? ????? ???? ??????? ????? ?????.

8: ????? ???? ??? ?? ???? (??? ???????)?

???? ?? ???? ??????? ???????? ????? ???? ???? ??????? ???????? ????? ???????. ????? ??????? ???????? ??????? ??? ????? ??? ?????? ????? ???? ????? ???? ????? ????????? ??? ????? ??? ???? ????? ?????? ????? ????? ????????. ???????? ??? ???? ?? ????? ?????? ??? ???????? ????? ?? ??? ???????.

9: ?? ??? ??? ??????? ?????

???? ??????? ?????? ?? ??????? ?? ??????? ???????? ????? ??????? ?? ?????? ?? ??????? ?? ?????? ???????? ?????? ???? ??????? ?????.

10: ??? ????? ???? ??????? ?????????

??? ??? ???????? ????? ???? ??????? ????? ??? ??????/??? ?????? ??????. ????? ???? ??????? ????? ?????? ????? ???: ???? ????? ???????? ???????? ????? ?????. ?? ????? ????? ??? ??????? ?????? ??????? ????? ?? ??? ?????.

11: ????? ???????? ??????? ??? ??????? ???????

???? ??????? ?? ???? ??? ?????? (45 ???? ?? 22.2 ????) ?????? ???? ????? ?? ????? ???? ??????? (???? ???????). ?? ???? ??????? ????????? ??????? ???? ??? ?? ?????? ????????.

12: ??? ??? ???? ??? ??? ????????

?????? = ??? ???????? * ????? ??????. ??? ???????? = ??? ???????? ??????? ??? ????? ??? ????? ??? ???????. ???? ??? ??? ???? ??????? ????? ?????? 5-15% ??? ??? ?? ???. ??? ???? ?????? ?????? ??????? ???? ?? 50%.

????????? ?????? ?????? ??????? ???????:

1. ?? ??? ??? ??????? ???? ??????? ??????? ???????? ???? ???? ??? ???? ?????? ???? ??? ????? ???? ??????? ?????? ????? ????? ????? ?? ????? ?? ????? ???? ???????.

????? ???? ?? ?????.

2. ???? ???? ????? ??? ??????? ?????? ???????? ?????? ??? ??????? ?????????? ????????? ???????? ??? ??? ???? ????? ??????? ?????????? ??? ??????? ??? ???? ?????? ????? ??????? ?? ??????? ??????? (0.02 ??) ????? ???????? ????????? ?????? (0.01 ???)

3. ??? ??? ?????? ?????? ?????? ????? ?????? ???? ???? ??? ???? ???????.

4. ??? ????? ????? ????? ??????? ?????? ????? ???????? ??? ?????? ????? ??????? ??? ???????? ???? ???? ??? ???? ?????.

5. ??? ?????? ?? 1/3 ?? ??? ???? ??????? (??? ?? ?????? ??????? ????? ??????? 1/2 ???) ????? ????? ???? (???? ???? ??????? ???????)? ???? ???? ???? ??????? ???? ???? ????? ?????.

??????: ?? ??????? ???????? ?? ??????? ??????? ?? ????? ???????.

(1) ????? ?? ??? ??? ????? ??????????

(2) ????? ????? ??????? ?????? ?????? ?????? ???? ???? ?? ???? ?? ????? ??? ?????

(3) ????? ???? ???? ???? ????? ?????? ???? ????

(4) ????? ??? ???? ???? ??????? ??? 0.2 ??.

????? ?????? ????? ??????? ??????? ???????

??? ????? ?? ????? ??????? ????? ????? ??????? ??? ???? ??????? ??? ?????? ??????? ?? ????? ?? ????? ?? ?????? ???? ??????? ???? ????? ????????? ?????? ??? ??????? ??? ????? ??? ??? ???? ??????? ???????. ????? ?? ????? ????? ??? ?? ??? ?????. ??? ????? ?????? 10% ?? ?????? ????? ??? ??? ??????? ?????? 50% ?????? ??? ???? ???????. ??? ????? ??????? ??????? ?????? ?? ?????? ???????? ??? ????? ?????? ???? ?????? ??? ????? ?????? ??????? ????? ?? ????????? ??? ???? ??? ??????? ???? ?????? (?? ??????? ??????? ??? ????? ???? ????????) ?????? ????? ????. . ??? ???? ???? ????? ??? ???? ?? ??? ?????? ??? ????? ??? ?? ??? ?? ???????. ??? ??????? ??? ????? ???? ?????? ???? ????? ?????? ??? ????? ??????? ????? ?? ???? ?? ??????? ?????? ?????? ????????.

??? ?? ??????? ?????

?? ??????? ??? ??? ????? ??????? ?????? ?? ????????? ???????? ??? ???? ??? ????? ??????? ?????? ??? ??????? ????? ???????? ??????? ??????? ??? ???? ??? ????? ??? ???? ???????. ?? ?????? ????? ????? ???? ???? ??????. ??? ????? ???????? ??????? ??? ??? ??? ??????? ????? ??????? ???????? ???? ????? ??? ?????.

????? ????? ??? ???? ??????? ??????? ?????? ??????? ?? ?????

1: ????? ????? ???? ????????

2: ??? ??? ??????? ?????? ???? ????????

3: ????? ???? ????

4: ?? ?? ????? ????? ??????? ????????

5: ????? ???? ???? ??? ??? ??????

6: ????? ???? ????? ??????? (??? ???????)?

7: ????? ???? ????? ?????? ???? ????????

8: ????? ???? ??? ?? ???? (??? ???????)?

9: ?? ??? ??? ??????? ?????

10: ??? ????? ???? ??????? ?????????

11: ????? ???????? ??????? ??? ??????? ???????

12: ??? ??? ???? ??? ??? ????????

????????? ?????? ?????? ??????? ???????:

??????: ?? ??????? ???????? ?? ??????? ??????? ?? ????? ???????.

??? ?? ??????? ?????

???? ??????? ????? ????

The Milling Method for Thin-Walled Ring and Composite Structures with Weak Stiffness

How Do Cemented Carbide Saw Blades Cut High-Temperature Alloys?

How do the Structure and Geometric Parameters of Turning Tools Affect Machining?

What is the Three-Dimensional Parametric Design of Cemented Carbide End Mills?

What is 3 sided edge mill cutter?

How to Assess Coated Carbide?Tools’ Cutting Performance

4 Points of Machining Surface Roughness You Need to Know

Carbide Tools’ Sustainable Development of Tungsten Resources

The 3 Elements You Should Take into Consideration when You Select End Mills

How to Treat Tool Build-Up in Aluminum Alloy Cutting Processes Using Chemical Methods?

???? ??? ??? ??????? ????????? ??????

????

????? ????????

???? ??? ?????

?????? ?????