击穿强度
The tests on mechanical failing load, power frequency puncture voltage and residual strength of glass insulators after 30~ 40 years service were made.
对运行30~40年后的玻璃绝缘子进行了机械破坏负荷、工频击穿电压及残留强度等试验。
The strength of tangential stress showed relation with the angle between kidney and puncture needle, and the angle between renal long axis and the long axis of body.
切线力的大小一是与穿刺针和肾表面间角度有关,二是与肾脏长轴和人体长轴间角度有关。
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