The mechanism, equipments and feature of mechanical alloying technology were introduced briefly.综述了机械合金化的原理 、 设备和特性及其对材料的影响.Brittleness is often a result of alloying.脆性往往是合金化的一种结果.Alloying elements will inhibit the forma...
他主动肩负起保护她的责任。He took upon himself the responsibility for protecting her.杆梢钉上铜皮起保护作用.A protective copper strip was hammered onto the end of the post.本产品是一种自动控制及起保护作用的阀门.This product is a valve of autocontrol and protectio...