The high temperature self-lubricating valve actuating mechanism is the key part of an engineering engine.
高温自润滑配气阀座是某工程发动机的关键部件。
This invention relates to a natural gas engine for the dynamical engineering area.
本发明涉及一种动力工程领域中的天然气发动机。
The application of diesel engine fuel system is actually a matter of social application engineering.
柴油机燃油系的运用问题实质上是一个社会运用工程。
The application of diesel engine fuel system is actually a matter of social application engineering.
柴油机燃油系的运用问题实质上是一个社会运用工程。
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