screw lubrication

海洋航海及海运英语翻译词汇... ... screw log 拖曳转轮式计程仪 screw lubrication 螺旋润滑 screw micrometer 螺纹千分尺 ...

直角三角形... ... "螺旋键,螺钉用扳手"," screw key" "螺旋式润滑"," screw lubrication" "螺旋机,螺旋压机"," screw machine" ...