螺旋板是螺旋板换热器的主要受压元件。
The spiral plate is the main pressurized element in the spiral-plate heat exchanger.
在正常工作情况下，受压元件所承受的最高压力。
It refers to maximum pressure that pressure parts can bear up under normal working condition.
对96年版《蒸汽锅炉安全技术监察规程》在受压元件上开孔规定进行了详细的分析。
This article analyses in details the requirements for the openings on pressure parts written in "Safety Technical and Supervisary Specification of Steam Boiler" (Edition. 96).
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