基本解釋廻流防止器;防止廻流設(shè)施英漢例句雙語(yǔ)例句The backflow preventer must be installed upstream of the regulator.防倒流裝置必須安裝在調(diào)節(jié)閥的上遊位置。The relief valve may be serviced while on or off the backflow preventer valve.可以在防廻流閥上維脩安全閥,或?qū)⑵鋸姆缽h流閥拆卸下來(lái)維脩。backflow preventer更多例句詞組短語(yǔ)短語(yǔ)backflow w preventer 廻流防止器BFP Backflow Preventer 廻流防止器Low -resistance backflow preventer 低阻力倒流防止器Reduced pressure zone backflow preventer 減壓廻流防止閥Reduced -pressure type backflow preventer 減壓型倒流防止器backflow preventer更多詞組專業(yè)釋義土木建築工程防廻流裝置