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。
The importance of isopleth in determination of medium-temperature plastic working standard is discussed and the application trends of this investigation is further clarified.
提出了等值线的新概念，论述了等值线在确定温热塑性加工规范方面的意义并进一步明确了研究应用的方向。
For calibrating standard working and precision high temperature platinum resistance thermometers, it is a ideal device.
为标准、工作用高温铂电阻温度计和其它精密高温温度计的校准提供了一套高性能设备。
For calibrating standard working and precision high temperature platinum resistance thermometers, it is a ideal device.
为标准、工作用高温铂电阻温度计和其它精密高温温度计的校准提供了一套高性能设备。
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