That's the problem lawmakers are wrestling with amid hearings and federal investigations of the Upper Big Branch mine blast in West Virginia and the BP oil rig collapse in the Gulf of Mexico.
在西弗吉尼亚州煤矿爆炸和英国石油公司在墨西哥湾的钻井平台漏油事故的听证会和联邦调查中，这就是国会议员们正在努力解决的问题。
This modification in the XY-44 Mine drilling rig based on the addition of automatic revolving tower of the drilling rig so that the function will be more perfected.
改装是在XY - 44型矿用钻机基础上，增设了自动回转塔架部分，从而使钻机功能更加完善。
The paper describes the test and application of jumbo rig in tunneling in Beiminghe Iron Mine.
叙述了北沼河铁矿凿岩台车掘进巷道的试验与应用情况。
The Trailer Mounted Rig HXY-800QT was developed to meet the requirement of exploitation of Sandstone Uranium Mine.
为了满足可地浸砂岩铀矿的开采工艺要求，研制了HXY- 800 Q T型拖车钻机。
The rig that drilled the successful shaft was supplied by a contractor at Collahuasi, a mine controlled by two multinationals, Anglo American and Xstrata.
成功开凿出竖井的钻井设备由Collahuasi承包商提供。而这家公司由两家跨国企业Anglo American和Xstrata控制。
The rig that drilled the successful shaft was supplied by a contractor at Collahuasi, a mine controlled by two multinationals, Anglo American and Xstrata.
成功开凿出竖井的钻井设备由Collahuasi承包商提供。而这家公司由两家跨国企业Anglo American和Xstrata控制。
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