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Mid-back executive chair with deep button-tufted back cushions：中回长官主持深按钮毛冠回咕

Features: 特点: | Mid-back executive chair with deep button-tufted back cushions中回长官主持深按钮毛冠回咕 | Provides look of elegance with traditional styling提供照顾的优雅与传统造型

back office force：内勤人员

back off compensate ==> 补偿 | back office force ==> 内勤人员 | back order ==> 返回次序,欠交订货,延迟交货,延期交货

Back Segs：后面片段数

Back Length后面长度 | Back Segs后面片段数 | Back View背视图

back rashers：薄的腌(或熏)肉片

back pressure 反压 | back rashers 薄的腌(或熏)肉片 | back side 胴体 后部

back-reflection pinhole camera：背面反射针孔照像机

back-reflection focusing came 背面反射聚焦照像机 | back-reflection pinhole camera 背面反射针孔照像机 | back-reflection x-ray exami 背面反射

back pressure multi-effect evaporator：反压多效蒸发器

反压蒸发[法] back pressure evaporation | 反压多效蒸发器 back pressure multi-effect evaporator | 反滴定 back titration

back pressure spring valve：背压弹簧阀

back pressure relief valve 背压安全阀 | back pressure spring valve 背压弹簧阀 | back pressure test 背压试验

Back pressure valve：止回阀,背压阀

back pack pump tank fire extinguisher ||[消]小型背负泵式灭火器 | back pressure valve||止回阀,背压阀 | back scattering||反向(后向)散射

back wear：背向磨损

back wave ==> 反射波,反射波 | back wear ==> 背向磨损 | back welding ==> 底焊,退焊法

back geared upright drill press：带齿轮立式钻床

back geared motor 带减速齿轮的电动机 | back geared upright drill press 带齿轮立式钻床 | back grey 印花衬布

French Fifth Republic：法蘭西第五共和

Freight rate 运费率 | French Fifth Republic 法兰西第五共和 | Frequency 次数;频率

cartographic communication：地图传输 地図通信

■ cartographic analysis 地图分析 地図分析 | ■ cartographic communication 地图传输 地図通信 | ■ cartographic data 制图数据 地図データ