青云翻译

[object Object]

Smaller and generally be heard, even in the case of the engine has been started is at work, the driver is difficult to hear the sound

Quite small, cannot hear generally, even if is already started in the engine in the situation which revolves, the driver very is also difficult through to listen to the sound

A relatively small, generally not to hear, even if the engine has already been activated are running under the circumstances, the driver and it is very difficult to listen through

Smaller and generally be heard, even in the case of the engine has been started is at work, the driver is difficult to hear the sound