... double-barrel separator 双筒分离器 double core barrel 双层取心筒 double core barrel drill 双筒取心钻具 ...
基于8个网页-相关网页
core barrel of double tubeswivel type
... core barrel of double tuberigid type 双层取心筒 core barrel of double tubeswivel type 双层取心筒 core barrel ring 取心筒垫圈 ...
基于6个网页-相关网页