roof ventilation的例句大全

Methane excessive limit in upper corner angle area is a major problem during roof-coal-caving operation, when it is difficulty to lay out specialized methane discharging roadways in thinner coal seams, besides using E ventilation mode, vertical roof boreholes are used to discharge methane.

上隅角瓦斯超限是放顶煤开采遇到的主要安全问题，除采用E型通风方式外，在较薄煤层布置专用瓦斯排放巷困难时，可以采用顶板纵向钻孔抽排瓦斯。

The Application of Push pull Ventilation Device in Welding Dust Control of the Box Car Roof

吹吸式通风装置在棚车棚板焊接烟尘控制中的应用

Thus we put forword to apply Push pull ventilation device to dust control welding roof.

因而提出了将吹吸式通风装置用于棚板焊接烟尘控制上。

Also similar to the Prius, it can be had with a solar roof that powers a cabin ventilation fan.

而与Prius类似，Auris的顶棚很可能也装有太阳能电池，这些电池产生的能量将用于驱动车内的鼓风机。

ventilation for buildings - performance testing of components products for residential ventilation - cowls and roof outlet terminal devices

建筑物通风.住宅通风用部件产品的性能检验.通风帽和屋顶出口终端装置

Ventilation system contains ventilators on the roof and walls. Ventilation tube is made of zincificated steel.

通风系统采用屋顶及侧墙通风机, 排风系统风管为镀锌钢板制作.