The detection environment, method and new progress of electroslag casting are introduced.介绍了电渣熔铸金属液位的检测环境 、 方法和最新成果.The forming mechanism of slag skin was studied during electroslag casting.研究电渣熔铸过程中渣皮的形成机理.Electrode reg...
A workman was plucked from the roof of a burning power station by a police helicopter...一名工人被警用直升机从着火电站的屋顶上救了出来。You've plucked your eyebrows at last!你终于修了眉毛！Rough hands plucked at my jacket.一双粗糙的手拽着我的上衣.Please prune...