The paper introduces current application status of natural gas, quality of natural gas and speciality of natural gas engine oil in domestic.

介绍了国内天然气的应用现状、天然气质量及天然气发动机油的特殊性。

youdao

You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.

在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。

youdao

Be responsible for maintenance and management of petrol, engine oil and natural gas equipment.

负责汽油、机油、天然气等辅助设施的使用与维护管理。

youdao

The continent's primary industrial engine imports 60% of its gas and oil needs.

WSJ: South Africa Faces Power Shortage Despite Gas Reserves

Relying on oil and gas wealth, the country has yielded only a handful of entrepreneurial successes: search engine Yandex, e-mail service Mail.ru, cyber security giant Kaspersky Labs, and cloud computing company Parallels.

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