The film pressure meter main mainly petrol, alkali, chemical fiber, medicine, food process. It is composed by normal pressure meter and joint and separator.

隔膜压力表主要应用于石油化工、制碱、化纤、制药、食品等上艺流程中，它是通用型压力表与连接体和隔膜隔离器组成。

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A portable corrosion rate meter was used to comparatively measure the annual corrosion rates of 20 steel tube and its integral hot-dip aluminizing coating in acidic and alkali corrosive mediums.

采用便携式瞬时腐蚀速度测量仪，对20钢及其热浸镀铝件分别在酸性和碱性介质中测定年腐蚀速率并进行比较。

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