Core barrel
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
core barrel
... double core-barrel drill 双岩心管钻探 core barrel 取芯筒 conventional core barrel 常规岩心筒 ...
coring barrel
... 取芯钻孔 Hole drill 取芯筒 core barrel ; coring barrel 取芯器 core gun ...
Run in hole core barrel
rotary type side core barrel
orienting core barrel
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