新的前定风翼有一个显著不同的尾盘端板。
这些麦克风实际筛选出来的声音你的嘴，以更好地收到另一端。
These microphones actually filter the sound coming out of your mouth to be better received on the other end.
所述导风管的一端设有供排风扇安装的斗状吸风罩口，导风管的另端设有供电热装置安装的盘状排风口，斗状吸风罩口与盘状排风口相对应；
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.
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