About Ding Hongbo
About 上海广聯環境岩土工程股fen有限公司,上海,200444
About Wang Ziqiang
About 上海广聯環境岩土工程股fen有限公司,上海,200444
About Tankuang Gongcheng - Yantu Zuanjue Gongcheng
About lathe turning
About twist drill
About excavating equipment
About slag
About torque
About bentonite
About pile foundation
About silt
About construction cost
About construction period
About stratum
About drilling(cutting)
About oil pressure
About large diameter
About Drilling
About Oil field,gas field,oil/gas resource
About 卵
About 礫層
About 大直径
About 杭
About 旋削
About 掘削機
About 応用