The ice-breakers that follow will help you get through the embarrassing moments when you find yourself in front of people from different cultures
当你意识到自己正与文化背景迥异的人面对面，以下这些开场白将帮你度过尴尬时刻。
The larger motors are powered directly from these buses through circuit breakers.
较大的电动机直接通过断路器从母线获得电源。
Surges can be generated by customers through the switching of their own loads, or they may be caused by utility switching operations (capacitors, breakers, etc.).
冲击可由用户投切负荷产生，也可由电力部门投切操作(电容器，断路器等等)引起。
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