... mechanical restriction 机械阻挡装置 mechanical rig 机械驱动钻机 mechanical sand control 机械防砂 ...
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mechanical drive rig [油气] 机械传动钻机
mechanical drilling rig 机械驱动钻机
mechanical control of rig [油气] 钻机的机械控制
mechanical-driven drilling rig 机械驱动钻机
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According to reports from the AP and a press release on the Geokinetics website, the men had initially evacated the platform on a liftboat, which can be lowered and raised from the rig by mechanical pulleys.
FORBES: Oil Workers Lost In Gulf Fleeing Tropical Storm Nate
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