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turn one's back on / upon：背弃...,抛弃...;对...不闻不问

know... like the back of one's hand.对...了如指掌 | turn one's back on/upon...背弃...,抛弃...;对...不闻不问 | by the back door 通过后门;用不正当的途径

to turn one's back on：不理,看不起,背弃

背着某人说坏话 --- be behind one's back | 不理,看不起,背弃 --- to turn one's back on | 后退 --- to back away

Back veneer：(胶合板之)里板

back valve | 回动阀, 止回阀, 逆止阀, 单向阀 | back veneer | (胶合板之)里板 | back view | 后视图

Go way back：有交情,两个人在一起很长时间

.go way back 有交情,两个人在一起很长时间 | Angela and I go way back, we've known each other since elementary school. 我和An... | My boss and I go way back , she was my boss at my first job. 我和老板关系...

back yoke：后过肩

总肩 across back shoulder | 后过肩 back yoke | 背缝 center back seam

back blading：倒车叶片组

back bias 反馈偏压 | back blading 倒车叶片组 | back board 靠背板

back blading：倒刮

back-biased silicon diode 反向偏压硅二极管,反向偏置硅二极管 | back-blading 倒刮 | back-bombardment 反轰击

back blading：倒车叶片

反向偏压,负偏压 back bias voltage | 倒车叶片 back blading | (焊缝)清根,挑焊根 back chipping

back blading：倒车叶片装置(涡轮机的)

back bend molding | 一种边向后弯曲的油画外框 | back blading | 倒车叶片装置(涡轮机的) | back blow | 反冲, (枪炮的)反座

back geared：装有背齿轮的

back geared type motor 带减速器的马达 | back geared 装有背齿轮的 | back geosyncline 后地槽

hard money：价格比较稳定的钱

14、good money 有利可图的钱 | 15、hard money 价格比较稳定的钱 | 16、hot money 短期流动资金

davit：吊锚柱

随着企业的不断发展,生产技术和经验的不断成熟,我司的主营产品已由建厂初期的细小杂件发展到目前的各类大型配件,包括不锈钢系船柱(bollard), 不锈钢攀爬梯(ladder), 不锈钢窗框(window frame), 不锈钢吊锚柱(davit), 不锈钢锚架(cathead),