基本解釋n.反流;逆流同根派生 backflowing相關(guān)詞英漢例句Four required per backflow preventer. 每個(gè)防回流閥需要四個(gè)。Winterization of backflow preventers. 防回流閥的過(guò)冬處理。For use with backflow preventer test cocks to protect from damage. 用于防回流閥測(cè)試旋塞,防止受到破壞。A check valve may be required ahead of the backflow preventer. 此時(shí)在防回流閥前面可能需要安裝一個(gè)止回閥。This would create an air gap to eliminate any possible backflow. 這將產(chǎn)生一個(gè)氣隙以消除任何可能的回流。backflowing更多例句