短语词组短语Toothed Lock Washer 齿形锁紧垫圈;齿式锁紧垫圈countersunk toothed lock washer 埋头齿锁紧垫圈countersunk external toothed lock washer 锥形锁紧垫圈conical ex -ternal toothed lock washer 锥形锁紧垫圈Star toothed washer 齿形垫片 返回 toothed washer