... 取心涡轮钻具 coring type turbodrill ; column turbodrill 可控涡轮钻具 steerable turbodrill 低速涡轮钻具 low speed turbodrill ...
基于8个网页-相关网页
low speed high torque turbodrill 低速大扭矩涡轮钻具
low-speed-high-torque turbodrill 低速高扭矩涡轮钻具
low speed-high torque turbodrill 低速高扭矩涡轮
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