That done, a second set of pumps evacuates the gap between the arch and the PLUG, allowing workers access to the site.
这些工作完成后,再调用一组水泵将拱坝与堵塞间的水全部抽干,堤坝抢修工人们就可以进入现场进行堤坝的修复作业了。
So, the next action needed is to get a set of pumps running to keep coolwater flowing into the reactor vessel and the consequent steam coming out.
因此,下一项措施是需要安装一套水泵,它的运转能够将冷却水送入反应堆容器,生成蒸汽后再返出来。
Vented disc brakes have a set of vanes, between the two sides of the disc, that pumps air through the disc to provide cooling.
通风盘式时制动器在两侧有叶片,空气在泵的作用下流动使制动盘冷却。
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