The steam consumption in evaporation has been obviously reduced by way of innovating the process and device in diaphragm evaporation.
通过对隔膜蒸发进行工艺设备改造，使蒸发的蒸汽消耗明显降低。
The structure, operating principle and manufacturing process of double diaphragm direct acting gas regulator are introduced.
介绍了双薄膜直接作用式燃气调压器的结构、工作原理及制造工艺。
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