They feared some undetected trace of poison.
他们担心一些未识破的投毒痕迹。
They feared some undetected trace of poison.
他们担心一些未识破的投毒痕迹。
This heating helps to break down weak spots in the dielectric that otherwise might pass through the electrode undetected, only to fail during a later spark or hipot test.
这热量帮助击穿缘较薄的地方﹐否则
材通过
极而没有
检测到﹐结果在以后的火花测试和高压
缘试验将会失效。
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