hook retractor

常見例句

雙語例句

• The hook was clamped by two screw nuts on the screw, and these makes up of the retractor finally.
  不鏽鋼絲拉鉤經(jīng)兩個螺母夾持固定在磁力底座的螺栓上，組成簡易的磁力底座拉鉤；
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