整坡器 back slopper
缎面斜纹背双重织物 back stripe
倒锥 back taper
小型拉幅机 back tenter
后视镜 back view mirror
反萃器 back wash extractor
反萃剂 back washing agent
回水泵 back water pump
返波管 back wave tube
背部毛 back wool
反铲挖掘机 backacter
反铲铲土机 back-acting shovel
缎面斜纹背双重织物 back stripe
倒锥 back taper
小型拉幅机 back tenter
后视镜 back view mirror
反萃器 back wash extractor
反萃剂 back washing agent
回水泵 back water pump
返波管 back wave tube
背部毛 back wool
反铲挖掘机 backacter
反铲铲土机 back-acting shovel
脊骨式拱架帐篷 back-bone style arch structure tent
反向断路器 backbreaker
逆康普顿散射激光器 back-Compton scattering laser
背面接触式晶体管 back-contact transistor
反馈振荡器 back-coupled generator
衬板压模 backed stamper
支承压力可调整的辊式矫直机 backed up pressure regulating roller leveller
支承压力不可调的辊式矫直机 backed up roller leveller without pressure regulation
带支承棍的辊式矫直机 backed up type roller leveller
铲齿铣刀 backed-off milling cutter
备用泵 backer pump
回填夯实机 backfill rammer
单面浆印花府绸 backfilled printed poplin
单面浆印花布 backfilled printed shirting
单面浆印漂布 backfilled white sheeting
回填机 backfiller
斗式回填机 backfilling bucket
反冲器 backflush device
背景摄影机 background camera
背景扬声器 background loudspeaker
背景幕布 background screen
反铲斗 back-hoe bucket?
后挖前卸式挖装机 back-hoe front end loader
反铲装载机 backhoe loader
背衬 backing cloth
底布 backing fabric
砂布底布 backing for abrasives
后备存储器 backing memory
背纸 backing paper
前级泵 backing pump