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