... single construction 单项工程 single core barrel 单管岩心筒 single core cable 单芯电缆 ...
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single type core barrel 单筒式岩心筒
Single-tube core barrel 单层岩心筒
single tube core barrel 单层岩心管
single rotary double core barrel 单动双管钻具
single swiveling double-tube core barrel 单动双管取心器
·2,447,543篇论文数据，部分数据来源于NoteExpress
Cataclasite series; Rate of core recovery; Single Rotary and Double Tube core Barrel, Structure of drilling tool; drilling technology.
碎裂岩系；取芯率；双管单动钻具；钻具造型；钻探工艺。
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