It refers to maximum pressure that pressure parts can bear up under normal working condition.
在正常工作情况下，受压元件所承受的最高压力。
Derive a way to get the point estimations of parameters under normal working condition stress.
给出了求正常工作应力下参数点估计的方法。
Low maintenance cost. Under normal working condition, this equipment is generally maintained semiyearly after the installation and debugging.
维护保养成本低。设备安装调试完毕后，在正常工作情况下，半年只需维护一次。
Low maintenance cost. Under normal working condition, this equipment is generally maintained semiyearly after the installation and debugging.
维护保养成本低。设备安装调试完毕后，在正常工作情况下，半年只需维护一次。
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