Taking the NJ1061 and NJ1041 trucks as examples, the designing method of a roof ventilator fora sealed cab is presented.
以NJ 1061、NJ 1041等车型为例，介绍了密封型驾驶室顶通风口的设计方法。
The Church is naturally ventilated, with fresh air supplied at floor level, and exhausted through a continuous roof ventilator.
教堂内设有自然通风系统，新鲜空气从地层进入，并由屋顶的抽风机排出室外。
After a presentation of the construction and moving paths, a kinematic equation for roof ventilator is given, and its components structurally designed based on analysing the parameters.
通过结构及运动轨迹分析，建立了运动方程。在参数分析的基础上，设计了各总成及部件的结构。
In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.
我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。
In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.
我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。
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