短语词组短語backing -out punch 頂出器;沖牀頂出杆fault backing -out 返排Not Backing Out 我竝沒有反悔backing out punch 鉚釘機;拔釘器;鉚釘沖出機;退釘器Backing Out Punches 支持出拳I 'm backing out 我退出 返回 backing out