为了大幅度降低(或者消除)触点的氧化，玻璃管内的环境往往是采用不含氧气的气体加压的。

In order to reduce the oxidation of contacts greatly (or eliminate it), the environment inside the glass tube is often pressurized with a gas that contains no oxygen.

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为了大幅度降低触点的氧化，玻璃管内的环境往往是采用不含氧气的气体加压的。

In order to reduce the oxidation of contacts greatly, the environment inside the glass tube is often pressurized with a gas that contains no oxygen.

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脱氧剂用于脱除气体中的微量氧气以提供含氧量极微的高纯气体。

Deoxygenate was used to remove the remanent oxygen from gas for supplying the high purity gas.

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