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 EMS technique training method improves the maximum strength and fast strength of the key link working muscle groups properly and effectively.
EMS肌肉力量训练法可准确有效地提高专项运动关键环节工作肌群的最大力量与快速力量。
The EMS technique training method improves the maximum strength and fast strength of the key link working muscle groups properly and effectively.
EMS肌肉力量训练法可准确有效地提高专项运动关键环节工作肌群的最大力量与快速力量。
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