The top drive drilling system, divided into electrical top drive and hydraulic top drive.
顶部驱动钻井装置，分为电驱动顶驱和液压驱动顶驱。
To rent a Honghua top drive is to experience an efficiency-jump of drilling.
租赁一台宏华顶驱，体验钻井效率的再一次飞跃。
To rent a Honghua top drive is to experience an efficiency-jump of drilling.
租赁一台宏华顶驱，体验钻井效率的再一次飞跃。
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