bore hole
柯林斯詞典
1. N-COUNT A borehole is a deep round hole made by a special tool or machine, especially one that is made in the ground when searching for oil or water. (爲(wèi)了探測(cè)石油或水)穿鑿的深孔
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1. N-COUNT A borehole is a deep round hole made by a special tool or machine, especially one that is made in the ground when searching for oil or water. (爲(wèi)了探測(cè)石油或水)穿鑿的深孔