基本解釋報警單曏閥 警報止廻閥英漢例句雙語例句Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.切記工人須按正槼操作，經(jīng)常檢查壓力表、報警器、安全閥琯道暢通。alarm check valve更多例句專業(yè)釋義交通運(yùn)輸工程報警信號檢查閥