铬有哪些用途？ - 知乎
铬 (Chromium)，化学符号Cr，单质为钢灰色金属。元素名来自于希腊文，原意为“颜色”，因为铬的化合物都有颜色。1797年法国化学家沃克兰 (L.N.Vauquelin)在西伯利亚红铅矿（铬铅矿）中发现一种新矿 …
金属材料 cr 的作用是什么？ - 知乎
金属材料CR是一种常见的金属合金，具有广泛的应用和重要的功能。 CR代表着“冷轧”（Cold Rolled）这个工艺过程，它是金属加工的一种方法，通过将金属材料在室温下进行轧制、压制和拉伸，以改变其 …
CR - 知乎
CR 简介 铬 (Chromium)，化学符号Cr，单质为钢灰色金属。 元素名来自于希腊文，原意为“颜色”，因为铬的化合物都有颜色。 1797年法国化学家沃克兰 (L.N.Vauquelin)在西伯利亚红铅矿（铬铅矿）中发 …
CR vs Wr 1982 250 | Cafe Husky
Dec 26, 2016 · CR stands for Close Ratio, WR stands for Wide Ratio (as far as gears go). The CRs were the MX bike because closer gears equals better acceleration in the tight corners/etc of MX type …
不锈钢元素符号Cr、Ni、Mo代表什么意思？ - 知乎
Feb 2, 2024 · Cr、Ni、Mo是比较常见的钢材合金元素之三，不但在不锈钢中存在，在其他的钢种中也是比较常见的： 1、铬 (Cr) 铬能增加钢的淬透性并有二次硬化的作用，可提高碳钢的硬度和耐磨性而 …
L/C Cr/Wr 5 speed vs 6 speed | Cafe Husky
Dec 11, 2014 · The 6th gear ratio in the 6 speed wr is the same as the 5th gear ratio in the five speed cr. When we look at the '87 chart in the '81-'88 specs. All of the gear ratios are there except for the …
CR500 Gearing | Cafe Husky
Sep 7, 2014 · When I recently purchased my 83 CR500, the original 4 speed gearset had been swapped for a 6 speed wide ratio, I was given the 4 speed gearset with the machine. While I refurbished the …
1980 390CR value? | Cafe Husky
Feb 9, 2011 · Hi Gang, I have the chance to buy a, in very good condition 1980 390CR. All original except it has an 81 420 top end, 81 side panels and an aftermarket silencer. Engine has a fresh top …
125-200cc - 2012 CR125 Ignition Timing | Cafe Husky
Jul 4, 2012 · After my WR ignition took a dump, I used the excuse to buy the CR ignition. I have done some searching on this site concerning ignition timing but all of the threads were about the older …
125-200cc - 2013 - wr or cr 125 | Cafe Husky
Jan 14, 2014 · The CR ignition is the main reason to go with the CR in my opinion as you can make either suspension work well. The newer WR's from 12 on have the Ducati Digital ignition so it is far …