变送器上壳连有热电偶烧毁保护接线.The transmitter is wired for up - scale thermocouple burn - out protection.图一表明多路传输接线系统的原理.Figure 1 illustrates the concept of a multiplex wiring system.在固定接线端子上焊有三根导线.Three lead wires are soldered to th...
Martinez expressed confidence of victory at the ballot box.马丁内斯表示了对选举获胜的信心。If there has to be a replay we are confident of victory.如果重新比赛，我们有信心取得胜利。Johnson's smashing victory in 1964 changed the political horizon su...
防爆箱、试样进料泵都装在独立的钢板箱内.The explosion - proof housing , samplefeed pump are installed in a freestanding sheet - steel cabinet.在箱子的正面有试样 进料 泵的电源开关.On the front of the cabinet are on - off switches for sample - feed pump.为了熔化进...
清晨，天空呈现出斑驳的深灰色。In the mornings the sky appeared a heavy shade of mottled gray.那天一反常态，天空阳光明媚。For a change, it was a gloriously sunny day.炽热的火球冲上天空。Intense balls of flame rose up into the sky....
In business a poker face can be very useful.生意场上，不动声色会非常有用。"For heaven's sake!" Dot expostulated. "They're cheap and they're useful."“拜托！”多特反驳道，“它们又便宜又管用。”HDTV is especially useful if there are a lot of sp...