油料洞库油罐通气管道防雷设计是油料洞库安全设计的重要组成部分。
Lightningproof design for the oil tank ventilation pipeline of man-made cave oil depot is an important part of safe design.
结合工程实例，说明了加强建筑排水系统通气管道设置后，排水系统工况及室内空气卫生状况可以得到改善。
Based on engineer example, it is illustrated, that modified vent il ation of building drainage system can improve drainage system and indoor air quality.
结合工程实例，说明了加强建筑排水系统通气管道设置后，排水系统工况及室内空气卫生状况可以得到改善。
Based on engineer example, it is illustrated, that modified vent il ation of building drainage system can improve drainage system and indoor air quality.
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