英语词汇water well drilling machine怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	water well drilling machine
释义	water well drilling machine 简明释义冲击式打井机网络释义 1 ?冲击式打井机 ... deep well drilling 深孔钻进 water well drilling machine 冲击式打井机 contractor, well drilling 承包商 ... 双语例句 1 When large dismeter water well is constructed in cobble and boulder strata drilling by percussion machine is not proper to be used as limited by condition. 卵砾石地层钻进是钻探的难题之一，不仅钻进速度低，钻头的使用寿命短，而且钻探成本高。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。