英语词汇“derrick head block”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	derrick head block
释义	derrick head block [网络] 吊杆头滑车
随便看	local unit local university local update procedure local upsetting local usage local use local user local user profile local user terminal local user terminals local vaccinotherapy local vacuum electron beam welding local value local value added content local value-added content local vanning local variable local variable declaration local variables local variable symbol local variation local variation of latitude local variety local vector local velocity 绿汀洲绿波依旧东流绿波荡漾玉为砂绿深门户绿满山川闻杜宇绿满微风岸绿烟晴绿烟灭尽清辉发绿珠垂泪滴罗巾绿窗春睡轻じじじじじ【事】じ【似】じ【侍】じ【児】じ【地】じ【字】