45号钢适用于制造较高强度的运动零件，如空压机和泵的活塞，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。

45号钢广泛应用于机械，未热处理时：HB≤229；热处理：正火；冲击功：Aku≥39J；强度较高，塑性和韧性尚好，45#钢板淬火后没有回火之前，硬度大于HRC55（最高可达HRC62）为 …

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 …

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 …

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

So basically i put my laptop in a 45 ° angle all the time, just so the screen is higher because it's better for my neck, but a friend of me said that it might not be good for the laptop and that the …

Jul 11, 2025 · 我猜店家的小饭店处在拆迁范围内，严重怀疑政府拆迁部门某领导跟市监局某领导在酒桌上勾兑了一下，打算拿罚款45万逼迫他关门，好顺利拆迁并且节省一大笔拆迁补偿款。 …

Mar 23, 2024 · There have been many debates around which ultrawide OLED monitor to pick for either productivity or gaming purpose. For >40 inch, the finalist usually comes to Samsung G9 …

Subs like r/SkinCareAddiction and r/30PlusSkinCare are iconic, but a specific sub for 45+ skincare and beauty is a great addition to the community.

r/Glock45: A place to talk about and show off your Glock 45’s and 45 Mos builds.