基本解釋報警單向閥 警報止回閥英漢例句雙語例句Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.切記工人須按正規(guī)操作，經(jīng)常檢查壓力表、報警器、安全閥管道暢通。alarm check valve更多例句專業(yè)釋義交通運輸工程報警信號檢查閥