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 …
9mm和.45有什么区别，为什么围绕这两种口径争论不休？
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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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 …
45 is my favorite Shinedown song,but what does the number 45
Jun 24, 2024 · "Staring down the barrel of a .45"- it's referring to a .45 caliber gun (generally a handgun, though they make .45 cal rifles, too. In this context, I believe it's meaning a handgun). Which in turn …
10mm or 45 acp for potential bears and cougars? : r/WAGuns - Reddit
Aug 23, 2023 · 10mm or 45 acp for potential bears and cougars? Been hiking most of my life in our state, and hardly ever saw anything more than a chipmunk but more recently i encountered cougars …
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 …
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 …
Is 45 WPM decent according to you? : r/typing - Reddit
Sep 13, 2022 · Is 45 WPM decent according to you? I achieved it from 25 to 45 in 2 weeks. I will be joining college for computer science.
cc (u/Ancient_Direction_45) - Reddit
Jun 23, 2021 · u/Ancient_Direction_45 Overview Posts Comments • [deleted by user] Ancient_Direction_45 MOD commented 2 yr. ago