操作注意事项(OPERATION CAUTIONS)□电机必须正转；如果反转，必须重新接线。□箱体里面循环风不均匀，可调节炉顶风挡板；□电控箱必须由专业操作人员操作；检查电...
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Describes the principle, power selection, operation and maintenance method as well as the maintenance cautions of UPS.
介绍了UPS的工作原理、功率选择、使用维护方法及维修注意事项。
The apparatus for preparing the specialty gases are reviewed, the choice of the parts of the apparatus and some cautions in the operation are presented.
对采用重量法配制特气的装置进行了阐述，对装置中各部件的选择、操作过程中应注意的问题提出了一些见解。
The selection of vortex flowmeters, the Settings of the parameters and the cautions in installation and operation of vortex flowmeters are presented concretely.
具体介绍涡街流量计的选择，涡街流量计的参数设定，安装及使用注意事项。
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