drainage ditch 排水溝
drainage divide 分水嶺
drainage gallery 排水平峒
drainage network 排水網(wǎng)
drainage pattern 水系型
drainage radius 排水半徑
drainage ratio 逕潦
drainage system 水系
dravite 鎂電氣石
draw 洼地
drawdown 地下水位下降
drawdown curve 液面下降曲線
drawing board 畫圖板
drawing ink 制圖墨
drawing instrument 制圖儀器繪圖儀器
drawing list 圖紙目錄
drawing machine 卷?yè)P(yáng)機(jī)
drawing number 圖紙編號(hào)
dredge 挖泥
dredger 鏈斗挖土機(jī)
dredging 疏浚
dreelite 石膏重晶石
drift 水平巷道;使漂流
drift current 吹流
drift dammed lake 冰磧湖
drift ice 漂水
drift sand 臉
drifter 架式鉆機(jī)
drill 打鉆;釬桿
drill base 基臺(tái)
drill bit 釬頭
drill carriage 鉆車
drill collar 鉆鋌
drill dust 鉆井塵
drill hole 鉆孔
drill hole depth 鉆孔深度
drill hole wall 鉆孔壁
drill operator 鉆井裝置操駐
drill pipe string 鉆桿柱
drill rig 鉆機(jī)
drill rod 鉆桿
drill rod coupling 鉆桿接箍
drill rod subs 鉆桿接頭
drill steel 鉆鋼