The roof control design method may be used in mines with similar conditions.
采用的控顶设计方法可以在类似矿井条件下推广应用。
Roof control is key management of opening up coal seam with potential outburst in crosscut.
顶板管理是石门揭露突出煤层过程中的管理重点。
For example, the glass "light roof" in Germany can control the color, light, and temperature of an entire building.
例如，德国的玻璃“光顶”就可控制整栋建筑的色调、亮度和温度。
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。
The roof-control design method adopted can be applied in the similar mine.
采用的控顶设计方法可以在类似矿井条件下推广应用。
Temperature crack control of the top wall in masonry-concrete building with cast-in-place concrete roof;
现浇砼屋面的砖混房屋中 ，由于砼与砖砌体的线膨胀系数相差一倍 ，顶层墙体容易产生温度裂缝 。
Temperature crack control of the top wall in masonry-concrete building with cast-in-place concrete roof;
现浇砼屋面的砖混房屋中 ，由于砼与砖砌体的线膨胀系数相差一倍 ，顶层墙体容易产生温度裂缝 。
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