When the mesh surface rotation teeth to shell vent, under high pressure gas mixture in the oil and gas discharge.

当齿沟啮合面旋转至壳体排气口时，较高压力的油气混合气体排出机体。

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This paper introduces the method of insulation pollution testing, including surface resistance device and Vent current testing device, with correct results.

本文介绍了绝缘子污染的测量方法，表面电阻测量装置和泄漏电流检测装置，并取得一些结果。

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Adopt ceramic nozzle can be the nozzle, that is set to zero height vent end direct contact with the surface is cut, can achieve very good result.

采用陶瓷外喷嘴可以将喷嘴高度设为零，即喷口端面直接接触被切割表面，可以获得很好的效果。

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Its surface is no more unpleasant than the inside of a volcanic vent, where bacteria thrive.

NEWYORKER: The Martian Chroniclers