• If large facilities to ensure no oil, no oil pump need not choose ethnic groups, such as: water pump, molecular sieve adsorption pump, sputter ion pumps, heat pumps.

    设施宽大务求时,无须各族油泵分子筛吸附溅射离子泵、高温泵等。

    youdao

  • If large facilities to ensure no oil, no oil pump need not choose ethnic groups, such as: water pump, molecular sieve adsorption pump, sputter ion pumps, heat pumps.

    设施宽大务求时,无须各族油泵分子筛吸附溅射离子泵、高温泵等。

    youdao

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