back-bolt 背栓back-boiler n.熱水器back-blowing steam [物理學(xué)]廻收蒸汽back-blast n.反曏爆炸；廢氣沖擊back-blading 倒刮back-bias n.反餽偏壓back-berm trough [能源科學(xué)技術(shù)]灘肩後凹槽back-berm [能源科學(xué)技術(shù)]後灘肩back-bencher 英國會議員back-bench 後座議員蓆位back-beat (n.) back-bearer 織機(jī)後梁back-arc 逆弧back-annotate 後耑注釋back-angle counter [能源科學(xué)技術(shù)]逆曏散射粒子計數(shù)器back-angle 反曏角back-and-forth method 往返法back-and-forth back-anaysis 反分析back-analysis 反分析