短語詞組短語spiral cutter -head [礦業(yè)]螺旋形挖掘頭rolling cutter core head 軋機cutter r head 刀盤體;機械錄音頭cutter &head cutting circle diameter 刀軸切削圓直徑cutter head dredger 絞式挖泥船feedback cutter head [電子]反饋式刻紋頭tangential cutter head 切向進(jìn)刀架;切向 返回 cutter head