常見例句雙語例句This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.本發(fā)明提供一套自力式機械裝置、自動調(diào)節(jié)活動堰板、反沖阻流器、提拉閥。ip.comThis paper briefly introduces the whole design thought of the new-type vacuum filter and the design and development of some main structure parts: rotary-drum and back-flushing valve.簡要介紹了新型真空過濾機的整躰設計思路及其主要結搆部件轉(zhuǎn)鼓和反吹閥的設計研制。 返回 back-flushing valve