upper alarm limit 中文意思是什麼
upper alarm limit
解釋
上警告限-
Upper limit alarm have controlled contact output
高限報警具有控制接點輸出。 -
Abstract : the structures and operating principles of several upper bin - level and limit - level monitor - alarm systems were presented in this paper, and their properties and operating effects were compaired
文摘:簡要介紹了幾種料倉高料位和極限高料位檢測報警裝置的結構和工作原理,並就它們的性能特點和使用效果進行了比較。
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