Don't open the engine for long time when mooring: because it will lead to air pollution and damage to the machine and gear box.

不要在停泊时长时间打开发动机：因为这样会导致污染空气并且会损坏机器和齿轮箱。

youdao

The most efficient intake systems utilise an air box which is sized to complement the engine and will extend the power band of the engine.

利用进气系统最有效的盒子，里面有一个空气大小的引擎和补充电力乐队将延长引擎。

youdao

The effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine.

为了测量发动机进、排气管内气流的脉动流动特性，对自行设计的对气流起稳压作用的阻尼稳压箱进行了研究。

youdao