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？
9mm温彻斯特银尖弹弹头剖面，被甲头部开孔，铅芯前端有一盲孔，击中人体后弹头会扩张 结果这发银尖弹并没有让嫌犯倒下，嫌犯继续持枪顽抗，还导致了探员Jerry L. Dove不幸殉职。 最后这场枪战 …
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 …
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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
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 …
Bose 45 SC v SE v Bose 45 : r/bose - Reddit
Apr 7, 2024 · I'm struggling to figure out the difference between the QC 45, QC 45 SE and QC SC. Can anyone help? I reached out to Bose live chat but they were useless!
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 …
工程制图45度线有什么用? - 知乎
Nov 14, 2024 · 工程制图45度线画好之后，已知主视图和俯视图，那些对应咋画呀，我们老师都没讲过，我基础薄弱，有没有详…
r/Glock45 - Reddit
r/Glock45: A place to talk about and show off your Glock 45’s and 45 Mos builds.