It also verifies that new installations are leak free.

它还可验证新安装设备是否无泄漏。

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It also ensures no oil leak, enabling the gauge change free from oil.

机器在高速运转中，不会因改变针间距离而漏油。

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It also ensures no oil leak, enabling the gauge change free from oil.

机器在高速运转中，不会因改变针间距离而漏油。

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