requirements for vibration hazards reduction of hand-held machines at the workplace
Related Translations:
持: 动词1.(拿着; 握着) hold; grasp 短语和例子持枪 hold a gun2.(持有; 保持) keep; hold 短语和例子持保留态度 have reservations; 持相反意见 hold a contrary opinion; 我仍然持过去的看法。 i still hold my former views.3.(支持; 保持) support; ma
