After the coating solidifying, the pipe test should be done with defect detector under the specified voltage.
待涂层固化当前，要应用缺陷检测器在涂料技术标准中规定的电压下对钢管进行检测。
This tester is to test the damaged degree of conductor or various materials of insulator caused by the specified voltage to ensure the security of usage of insulating material.
本机在测试导体或各种材料耐电压破坏强度，以确保绝缘材料使用之安全性。
We have a lot of parameters to choose transistor, but when we use it in controlled rectification, the specified electric current and the specified voltage are the principal ones.
晶闸管的选择参数很多，但用于可控整流时，主要是额定电流、额定电压的计算与选择。
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