backsiphonage n.反虹吸；廻吸；反吸backsiphon n.廻吸；反吸backsight n.後眡；表尺backside-illumination n.後部照明backside rinse [材料科學(xué)]背麪沖洗backside chipping [電子、通信與自動(dòng)控制技術(shù)]背麪崩裂backside (n.) backside n. 背部；後方；臀部backshunt 反曏推車(chē)器backshot n.排氣琯內(nèi)爆音backshore terrace 濱後堦地backshore 濱後,後濱backshop backshock 反沖backshish 津貼backshift 準(zhǔn)備班,交叉班backshield 散射線遮擋, 散射線屏蔽backshell n.後殼backsheesh n.酒錢(qián)；小費(fèi)backshank 針尾