back-bolt 背栓back-boiler n.熱水器back-blowing steam [物理學(xué)]回收蒸汽back-blast n.反向爆炸；廢氣沖擊back-blading 倒刮back-bias n.反饋偏壓back-berm trough [能源科學(xué)技術(shù)]灘肩后凹槽back-berm [能源科學(xué)技術(shù)]后灘肩back-bencher 英國(guó)會(huì)議員back-bench 后座議員席位back-beat (n.) back-bearer 織機(jī)后梁back-arc 逆弧back-annotate 后端注釋back-angle counter [能源科學(xué)技術(shù)]逆向散射粒子計(jì)數(shù)器back-angle 反向角back-and-forth method 往返法back-and-forth back-anaysis 反分析back-analysis 反分析