弹簧采用有防蚀镀层或用不锈钢材料制作,能确保线路接触的良好,对行车的安全性有积极的效果。
The springs are coated by anticorrosive coating or made of stainless steel materials, which ensures good line contact and has positive effect on driving safety.
论述了FD-125测氡仪在水氡观测中值得注意的几个问题:①仪器的供电系统中不应有线路接触不良;
We have discussed some noticeable issues which affect the ratio of Radon in underground water observed by FD-125 Rn instrument.
就像一个电力工程师想要住进新房子,为其铺置新的电线线路,一个基因工程师不会想要将一些东西放置在一个会产生其他重要接触的地方。
"Like an electrical engineer who wants to go into a house and put in new wiring, [a genetic engineer] doesn't want to put something where there is another important contact," he says.
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