Construction technical standard manual of building energy conservation engineering of China Construction Eighth Engineering Bureau, 140

General contracting qualification for construction: construction, municipal administration, electric power, electromechanical equipment, highway, railway, port and waterway, water conservancy and hydropower, mining, metallurgical quality, chemical petroleum and communication. Tibet (Tibet),

That kind of friendship is incomparable. The rocks in western Liaoning have lost their crags and steepness, which is split by the ice water in the middle. Tianyi Poetry Journal

Second, create a good development environment, adhere to government guidance, enhance enterprise development confidence, implement detailed deployment requirements, practice and summarize, focus on the immediate and key points, focus on