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- 市面上常说的45号钢材是什么？ - 知乎
45号钢材应用范围如下： 山东巨特管业45号无缝钢管 适用于制造较高强度的运动零件，如空压机、泵的活塞、蒸汽涡轮机的叶轮，重型及通用机械中的轧制轴、连杆、蜗杆、齿条、齿轮、销子等。 用于机械零件，如汽车、拖拉机的受力零件。
- 45 + 45 = 135 : r GymMemes - Reddit
I only count one side, so a better way to put it would be 45 x 1 = 135 and so on 45 x 2 = 225 45 x 3 = 315
- 9mm和. 45有什么区别，为什么围绕这两种口径争论不休？ - 知乎
9mm Luger是德国在1902年发明的规格，所以9mm也被 45的忠粉叫做纳粹的子弹（虽然纳粹是在1933年take over德国的）。 讨论 45和9mm哪个好有时候就像在讨论美国车和德国车哪个好。 其实更多的是个文化冲击。 至于实际上的流行程度，9mm远远比 45流行的多。
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- For those who carry . 45 ACP what load do you run? - Reddit
I have seen comparisons of different hollow points performance, not 45 acp specific, that really revealed how much hollow point performance is velocity dependent Even higher velocity than expected velocity could affect expansion negatively, pretty counterintuitive results
- Question about 45° Chamfer Tolerancing- ASME Y14. 5 - Reddit
Good afternoon, I am having a bit of trouble concerning the interpretation of the tolerance of a 45° chamfer, and I wanted to see if any of you could help me with this My question is the following If I were to inspect a part considering the drawing on the first image (45° chamfer angle indicated with a note), am I supposed to measure one linear dimension of 06 and measure the 45° with
- 45#钢做什么表面处理不会生锈？ - 知乎
45号钢表面处理主要是防锈，可分为两种，物理性防锈和化学性防锈； 物理防锈又分为：喷油或涂油、喷防锈漆、 电泳漆 、PVD等等； 化学防锈又分为： 化学钝化防锈 、磷化防锈、电镀防锈等等； 根据不同的应用选择不同的方式进行。 短期防锈建议选择钝化防锈剂，该方法简单且不改变刚才的
- Printing at a 45 degree angle, should I do it? safest way? - Reddit
The main problem you are going to run into is bed adhesion You have alot of mass supported by next to nothing actually touching the build plate, that is not good The second orientation is going to have much rougher edges where the supports are but its less likely to fall over I wouldnt print them in either of those orientations
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