The paper introduces the quality control of asphalt concrete mixing, paving and rolling in construction of the west section of Airport-He'ao Expressway in Shenzhen.
重点介绍了机荷高速公路西段沥青混凝土面层施工中沥青混凝土的生产拌制、摊铺、碾压施工等环节的质量控制。
The Houpoao tin mine has three mining sections, i. e. the west, the central and the east, with the west section having been mined-out and the east section being the major production area.
厚婆坳矿全矿分西、中、东三个区段开采，西区已采完，东区为主要出矿区段。
The Houpoao tin mine has three mining sections, i. e. the west, the central and the east, with the west section having been mined-out and the east section being the major production area.
厚婆坳矿全矿分西、中、东三个区段开采，西区已采完，东区为主要出矿区段。
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