单词	back-pressure regulator
释义	back-pressure regulator 背压调节器
随便看	vertical micro-migration of hydrocarbons vertical micro-percolation of hydrocarbon vertical microprogramming vertical microscope vertical microstreaking vertical microwave interconnecting vertical midline incision vertical milling and boring machine vertical milling and grinding machine vertical milling attachment vertical milling center vertical milling head vertical migration vertical mill vertical mill cement vertical miller vertical milling vertical-milling head vertical milling machine vertical-milling machine vertical mining vertical mirror galvanometer vertical misalignment vertical missile launcher vertical missing