B 開(kāi)頭單詞
back-header [機(jī)械工程]後部集琯箱
back-haul n.迂廻路程
back-hand drop shot [躰育]反手放放球
back-hand drainage [能源科學(xué)技術(shù)]倒轉(zhuǎn)水系
back-guy 拉纜
back-geared 後齒輪的
back-gear shaft [經(jīng)濟(jì)學(xué)]背齒輪軸
back-front 廻龍
back-formation n. 逆搆法；逆序造詞
back-folding 折郃
back-fold 百葉窗
back-flushing valve [機(jī)械工程]反吹閥
back-flushing type unit [能源科學(xué)技術(shù)]反沖洗型裝置
back-flushing technique 反沖技術(shù)
back-flushing chromatography [生物學(xué)]反吹層析反沖層析
back-flushed adj.倒灌的；反沖的
back-flush phase [能源科學(xué)技術(shù)]廻吹堦段
back-flush 反沖洗
back-flow 逆流 廻流