Investigation of laboratory tests on cooling effect of embankments with perforated ventilation pipes;
透壁通风管路堤降温效应的室内试验研究
Cooling effect of embankments with perforated ventilation pipes;
透壁通风管路堤的降温特性研究
The successful application of 120 m high shaft set up with ordinary steel pipe scaffold;
用普通脚手钢管架设120m高竖井架的成功应用
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