open hole,starting a hole,spud-in ①钻探设备安装完毕、验收合格后,开始的钻进工作。 ②钻孔中途停钻后,恢复正常钻进工作。
所有的多余的人都要离开钻台。
智利矿难救援人员开钻救生井开始营救33名被困矿工。
Drilling began to rescue the 33 workers trapped in a collapsed mine in Chile.
钻井机密密麻麻地在部落边境上围成一个圈,直到最近才开钻。
Rigs form a dense ring around the tribe’s borders; only recently has drilling begun within.
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