Therefore, in order to solve the problem of the tractor noise, the exhaust noise, the engine ventilator noise and the noise of vibrating cover of the engine should be reduced first.
因此，解决该拖拉机噪声问题须首先降低排气噪声、发动机散热风扇噪声和发动机机罩振动噪声。
2
In this article, the author expatiates on the fixing actuality of the ventilator and introduces the method that reduces vibrating and control yawp by sound insulation cover.
阐述了通风设备的安装现状，介绍了用隔声罩减少振动，控制噪声的方法。
3
The ducting hose end set funnel indraft cover use in ventilator installation. The ducting hose else end set discal air exit of power and heat supply set installation.