反循环取心
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reverse-circulation core barrel 逆循环钻进岩心管
reverse circulation core bit 反循环取心钻头
reverse circulation core
反循环岩心
以上为机器翻译结果，长、整句建议使用 人工翻译 。
During the third quarter, the company continued what it described as an aggressive drill campaign with 13 core and 10 reverse circulation rigs in operation.
FORBES: Kinross: Tasiast-Expansion Commitment To Hit $1 Billion By Year-End; Production Set For 2014
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