It is urgent to substitute R134a for R12 in air-conditional equipment for military shelter because of the ban on using R12 for refrigerant.

由于制冷剂R12禁用期限的日益临近，对其进行替代已是迫在眉睫的问题。

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Fans, for instance, had been so popular until the air-conditional came out, as a matter of fact, skills of fans repairing have to be canceled day by day.

例如电风扇，在空调出现之后就变得不流行了，因此维修电风扇的手艺也日渐衰落。

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Sprinkle some water in the printing environment, conditional can use air humidifier, can effectively eliminate static electricity, also available dry paper, paper electrostatic removal.

在印刷四周环境中洒一些水，有条件的可运用空气加湿器，能够有效地消弭静电，另外可用晾纸措施，去除纸张静电。

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