基本解釋報(bào)警單向閥 警報(bào)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(bào)警器、安全閥管道暢通。alarm check valve更多例句專業(yè)釋義交通運(yùn)輸工程報(bào)警信號(hào)檢查閥