二次电流在管子内部会产生磁场。The secondary current sets up a magnetic field inside the tube.他已把洗衣机的各种管子都接好了。He had a washing machine plumbed in.将一段管子与相邻的管子连接起来。Join one section of pipe to the next....
煤气或水管漏了的时候, 我们就派人去找一位管子工.When the pipe leaked, we sent for a plumber.他肯定是个不错的管子工，要不然他不会那么忙。He must be a good plumber, or else he wouldn't be so busy.管子工用板手把龙头旋紧.The plumber screwed up the tap by means of a spanner....