A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
使用取芯钻头、取芯桶和岩心爪来完成取芯工作。
Just very briefly since we have a minute or two, EPR It's more robust. And they've added a core catcher in the bottom of the containment.
我们还有一两分钟，是它的很大的版本，有更多的冗余。，EPR, is, a, bigger, version,of, this, with, more, redundancy。，它是更粗野的，它们给核心加入了一个捕及器，在容器的底部。
This kind of tools mainly consists of lifting control system, safety joint, stabilizer, inner and outer barrels, full-closed core catcher, and coring bit.
该工具主要由提升控制系统、安全接头、稳定器、内外筒、全闭式岩心爪和取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
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