jet clean system 射流清洁系统
clean jet room 喷丝板清洗室
jet clean
喷射清洁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In April last year, in a clean room at Nasa's Jet Propulsion Laboratory in Pasadena, I watched white-suited engineers gingerly assembling Curiosity.
BBC: New age of exploration in the hunt for extreme life
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