back-header [機(jī)械工程]后部集管箱back-haul n.迂回路程back-hand drop shot [體育]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 后齒輪的back-gear shaft [經(jīng)濟(jì)學(xué)]背齒輪軸back-front 回龍back-formation (n.) back-formation n. 逆構(gòu)法；逆序造詞back-folding 折合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)]回吹階段back-flush 反沖洗back-flow 逆流 回流