movable pressure plate
在受冷热介质压力作用的工作状态下，板式换热器换热板片、固定和活动压紧板间将产生鼓胀变形。
When plate heat exchangers work at the pressure of cold and hot medium, the exchanger thermal sheet spaces, the fixed active compressing plates produce deformation of bulging.
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模块上移
模块下移
不移动