常見(jiàn)例句The process of alternating electrochemical maching Tungsten Cobalt in using negative semiperiod current was investigated. 主要通過(guò)負(fù)半周電流的作用說(shuō)明交流電解加工鎢鈷硬質(zhì)合金的特性。Tungsten cobalt alloy spray nozzle 碳化硅脫硫噴嘴碳化硅脫硫噴嘴tungsten cobaltn. 鎢鈷合金tungsten cobalt alloy 鎢鈷合金An ultra fine cemented carbide with tungsten powder and binder cobalt. 一種由碳化鎢和粘結(jié)金屬鈷組成的超細(xì)顆粒硬質(zhì)合金。Stellite 6 or cobalt free seats and discs. 鎢鉻鈷合金6或無(wú)鈷閥座和閥瓣。 返回 tungsten-cobalt