It's lead, engine exhaust and coal form.
手机也会排放废气以及煤化物。
The design for automatic dust removal of engine exhaust is good for maintenance;
发动机排气引射自动除尘，利于保养；
The power generation technology utilizing the temperature difference of engine exhaust gas is introduced.
介绍了利用发动机排气余热的温差发电技术。
The exhaust noise of engine is one of the main noise sources of automobile noise.
发动机排气噪声是整车噪声的主要噪声源之一。
Thee L+L is an engine with 1 exhaust.
该升+升是一个引擎，一排气。
Thee L+L is an engine with 1 exhaust.
该升+升是一个引擎，一排气。
应用推荐