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 …
45 + 45 = 135 : r/GymMemes - Reddit
Apr 3, 2022 · 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
Jan 18, 2013 · 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 …
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For those who carry .45 ACP what load do you run? - Reddit
Jul 23, 2023 · 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 …
怎样评价2026年1月6日晚，牢A与瓜熟蒂落拉关于美国长生种&短命种 …
Jan 6, 2026 · 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业 …
Question about 45° Chamfer Tolerancing- ASME Y14.5 - Reddit
May 2, 2023 · 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 …
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 …
Printing at a 45 degree angle, should I do it? safest way? - Reddit
Jun 28, 2024 · 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 …
Deciding between a Glock 45 and Glock 47 for first Glock
Aug 15, 2023 · Deciding between a Glock 45 and Glock 47 for first Glock Basically just the title. I’m going to be picking up my first Glock in the next few weeks. Based on the research I have done I’m …