英语词汇hole collar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	hole collar
释义	hole collar 简明释义 [矿业] 炮眼口网络释义短语 1 meven ast hole collar 桅座圈 2 dust collectors at hole collar 孔口捕尘器 3 Hole Spring Collar 孔用弹性挡圈双语例句 1 The collar has a TAB with a button hole. 那个衣领有一个小垂片，片上有一个钮扣孔。 2 The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole. 井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具，安装在钻头与钻铤之间。
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