短語(yǔ)詞組短語(yǔ)straight button hole machine 直線鈕孔機(jī)straight -hole downhole motor 直井井下馬達(dá)ANGULAR STRAIGHT HOLE CYCLE 角度直線孔循環(huán)Straight Hole -Simple 建立簡(jiǎn)單直孔straight hole gate excavation 直眼掏槽 返回 straight hole