The machine is equipped with control panel box , security protection system and powerful suction motorfan.
我们为客户配置电电控箱、相关的安全保护器和大功率、高性能的排风机。
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While one of the crew was using the Russian-made toilet last week, the toilet motorfan stopped working after “it made a loud noise”, according to NASA.
据介绍，上周一名宇航员上厕所时，“马桶突然发出一声很大的声响”，厕所的风扇就不转了。
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An induction motor, by contrast, can be cooled passively-and thereby dispense with the hefty radiator, cooling fan, water pump and associated plumbing.