常見例句雙語(yǔ)例句The hook was clamped by two screw nuts on the screw, and these makes up of the retractor finally.不銹鋼絲拉鉤經(jīng)兩個(gè)螺母夾持固定在磁力底座的螺栓上，組成簡(jiǎn)易的磁力底座拉鉤；d.wanfangdata.com.cn 返回 retractor hook