基本解釋[機(jī)] 沖鉆詞組短語(yǔ)短語(yǔ)sinker r drill 鑿井用鑿巖機(jī)wet sinker drill 鑿井用濕式鉆機(jī)multiple drill shaft sinker 多鉆鑿井機(jī)multiple -drill shaft sinker 多鉆鑿井機(jī)sinker drill更多詞組專(zhuān)業(yè)釋義機(jī)械工程沖鉆