基本解釋[機] 鎖圈;固定開口環(huán)詞組短語短語retaining g snap ring 鎖圈Roller retaining snap ring 檔滾子鎖圈;鎖圈Roller retaining snap ring groove 檔滾子鎖圈槽retaining snap ring更多詞組專業(yè)釋義機械工程鎖圈