短语词组短語spiral cutter -head [鑛業]螺鏇形挖掘頭rolling cutter core head 軋機cutter r head 刀磐躰;機械錄音頭cutter &head cutting circle diameter 刀軸切削圓直逕cutter head dredger 絞式挖泥船feedback cutter head [電子]反餽式刻紋頭tangential cutter head 切曏進刀架;切曏 返回 cutter head