barrel rock

常见例句

双语例句

• The core barrel itself may be thought of as a special storage chamber for holding the rock core.
  取芯桶自身可能被认为是一种特殊的储存室，用于保存取好的岩心。
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• This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.
  这样允许钻头围绕岩石的中心圆柱体钻进，并通过钻头进入取芯桶。
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• The paper mainly introduced the application effect and experience of lengthening coring barrel of SYZX75 wire-line coring hydro-hammer in fractured rock layer.
  主要介绍了SYZX75绳索取心液动锤配套加长岩心管在破碎岩层中的使用效果及使用该钻具的经验体会。

权威例句

• Several tons of rock had to be dug out of the ground just to make one barrel of oil.
  NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale
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