He tried with all his failing strength to rise.
他用尽全身微弱的力气,想站起来。
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。
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