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It takes super vacuum layer thermal insulation and weighs lighter.

采用超高真空多层绝热,绝热性能好,自重更轻.

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In case 2 , the La thin film was prepared and in - situ studied in the UHV chamber.

另一种情况是La薄膜在超高真空室内制备并就地研究.

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Ultra - high vacuum pump is defined as the scope of the work of ultra - high vacuum pumps.

超高真空泵是指在超高真空范围工作的真空泵.

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