Every savings bank is installed with an automatic warning device. 每個(gè)銀行儲蓄所里都設有自動(dòng)報警裝置。
This paper introduces a microcomputer in a coal mine methane concentrations exceeding the detection alarm device design and debugging methods. 介紹了一種采用單片機的煤礦甲烷濃度超標檢測報警裝置的設計與調試方法。
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