Some Suggestions related to the coordination of water and drainage system with architecture, structure, electrical and heating and ventilation installations are also proposed.
文章还就考虑管道井设置时，给排水专业与建筑、结构、暖通空调、电气等专业的协调问题提出一些建议。
2
The company has introduced international advanced level of the drainage pipe casing pipe fittings and electrical production, testing equipment and technology.
公司引进具有国际领先水平的给、排水管材管件及电工套管生产、检测设备和技术。
3
According to seepage theory, the gas seepage from drainage hole along coal seam is studied by means of electrical simulation experiment.