The value of stress under air pressure test shall not exceed 80% of the yield point of the material in test temperature;

气体压力试验时的应力值，不得超过试验温度下材料屈服点的80%。

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The value of stress under hydraulic pressure test shall not exceed 90% of the yield point of the material in test temperature;

液体压力试验时的应力值，不得超过试验温度下材料屈服点的90%；

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In order to prevent the yield-point elongation occurring the manganese equivalence in alloy must exceeds 1.61%, and the threshold value of Martensite volume fraction is 7%.

为了不发生屈服点延伸，合金中的锰当量必须超过1.61%，马氏体体积分数的门槛值为7%。

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The requirement, drawn up after Robert Maxwell robbed his companies' pensions funds in the early 1990s, attempts to assess the present value of pension funds' future liabilities, taking the yield curve on gilts as its reference point.

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