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。
As for high jump, many emphasize skill drilling from the point of skill updating.
对跳高运动，人们多从技术更新的角度，注重技术练习。
As for high jump, many emphasize skill drilling from the point of skill updating.
对跳高运动，人们多从技术更新的角度，注重技术练习。
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