drill hole 详细解释

drill hole

n. 排放钻孔, 钻孔

词形变化

名词: driller | 动词过去式: drilled | 动词过去分词: drilled | 动词现在分词: drilling | 动词第三人称单数: drills |

英英释义

名词 drill hole:

a hole or passage made by a drill; usually made for exploratory purposes

同义词:bore, bore-hole