1. Turn the three-way valve towards the monoblock pump to vacuumize the specimen storehouse.
将三通阀打向直联泵,对样品仓抽真空。

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2. Turn the three-way valve towards the monoblock pump to vacuumize the specimen storehouse.
将三通阀打向直联泵,对样品仓抽真空。

来自互联网