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為啥壓力表下面要打個(gè)彎? |
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點(diǎn)評(píng)
一般工況的壓力表?yè)p壞,也不至于很嚴(yán)重后果,很多設(shè)備也有壓力變送器,取電信號(hào)做壓力檢測(cè)報(bào)警,機(jī)械儀表就光看個(gè)數(shù),作用也有限。
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