D 开头单词
drill piles in construction 打夯
drill outfit [能源科学技术]钻井设备
drill machine [机] 钻床;钻机;半自动立式钻床
drill key chuck [经济学]钻床轧头
drill jumbo 凿岩台车
drill in 套管钻进;训练(某人)掌握(某种技能, 法则等)
drill hole [机] 钻孔
drill holder 钻把;钻套
drill head 钻床头,钻头
drill grinding machine [经济学]钻头磨床
drill footage per month [地球科学]月进尺
drill floor [油气] 钻台
drill facet [物理学]钻尖切萷面
drill down 向地下钻;深度探讨
drill core [地质] 岩心
drill collar number [能源科学技术]钻铤数字
drill collar [油气] 钻铤;[油气] 钻环
drill chuck key [机械工程]钻头扳手
drill chuck n. 钻头夹盘;钻头卡