1)drainage,n.排水，排水法;排水设备(或系统);流域;导液法;引流法2)drainage,排泄;排水法;排水设备;排水系统;排流;排出的水;污水;排水区域;流域;导液法3)law of international drainage basins,国际排水流域法4)diversion drainage system,引流排水系统5)drain,排水管，导管;排(水)，排液;引流6)drain measure,导流排水
用法和例句
The construction techniques and drain measures for casting the concrete pile in man-dug hole in aquifer stratum to strengthen the foundation of Baiyangtou flyover bridge at Jiande section of Hangzhou to Thousand Islands Lake express way are described.