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back off sub：丢手接头

back off shot 解卡倒扣用炸药包 | back off sub 丢手接头 | back off tool 松开工具

back off tool：松开工具

back off sub 丢手接头 | back off tool 松开工具 | back order 延期交货

back off point：倒开点

back nut 后螺母 | back off point 倒开点 | back off shot 解卡倒扣用炸药包

back off shot：解卡倒扣用炸药包

back off point 倒开点 | back off shot 解卡倒扣用炸药包 | back off sub 丢手接头

back on：背靠

back off 后退 | back on 背靠 | back out 收回

back on：求助于,转而依靠

back of => 在...的后面,在...的背后 | back on => 求助于,转而依靠 | back order => 暂时无法满足订货

go back on：违背,毁(约)

go back on 丢弃(朋友等);食言 | go back on 违背,毁(约) | go back to 追溯到...

look back on：回忆;回顾

come back to life 恢复健康 | look back on... 回忆;回顾 | throw back 扔回去

Back order memo：延期交货通知

延期交货 back order | 延期交货通知 back order memo | 无差价利益(伦敦证券交易所) back spread

Back order memo：延期交货通知单,欠交订货通知单

back order 返回次序,欠交订货,延迟交货,延期交货 | back order cost 延迟交货成本 | back order memo 延期交货通知单,欠交订货通知单

bankrupted：破產的

wheat 小麥 | bankrupted 破產的 | harvested 收穫

public standpipe：公共街喉

public slope 公共斜坡 | public standpipe 公共街喉 | public street 公众街道