• The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.

    一种双级滑阀真空泵管道二级滑阀缸组成

    youdao

  • The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.

    一种双级滑阀真空泵管道二级滑阀缸组成

    youdao

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