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1·This standard describes the procedure for obtaining the Hydrostatic Design Stress (maximum working strength) for any thermoplastic pipe material at any practical temperature.

这个标准描述了获得流体静力设计应力(最大工作强度)的步骤，用于任何实际温度下的任何热塑塑料管道材料。

2·The differences between chinese and Japanese boiler standards from the aspects of design, strength calculation and hydrostatic test are compared.

从设计、强度计算及水压试验等方面比较了中日锅炉标准的差异。