1·Buchholz relays have a test port to allow the accumulated gas to be withdrawn for testing.
布赫继电器有一个测试口，测试时聚集的气体可以从此口散出。
2·Safety products subject to the CCC mark include relays, switches, controllers and contactors that operate above 36 volts.
需要符合CCC标志的安全产品包括继电器、开关、控制器和高于36伏特的电流接触器。
3·The idea arose because of the perplexing behaviour of the women who assembled relays and wound coils of wire in the Hawthorne plant.
此结论是从那些组装继电器和盘绕电线圈的产业妇女令人疑惑的行为中得出的。
4·The curves held eerily steady, even when Kurzweil extended his backward through the decades of pretransistor computing technologies like relays and vacuum tubes, all the way back to 1900.
即便当库兹韦尔将历史向后延伸至晶体管计算技术还未出现的上世纪初——即使用继电器和真空管的几十年间时，曲线依然表现出令人惊异的稳定性。
5·These types of measurements are made on components such as connectors, relays, and switches.
这类测量是在诸如连接器、继电器和开关等元件上进行的。