To replace the drilling line wrapped around the crown block and traveling block.
为更换缠绕在天车和游动滑车周围的钻井钢丝绳用。
From the crown sheave, manually pull and reeve the 1 inch Manila rope through the first sheave of the traveling block.
用人力把棕绳从天车轮上拉过来，再穿过第一个游车轮。
The driller slowly hangs off the traveling block or top drive in accordance with the derrickman's or floorman's signal.
看着井架工或钻工的手势，司钻慢慢的把游车或顶驱挂住。
The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
钻井用钢丝绳通过天车和游动滑车以滑轮组的形式获得机械上效益。
This reeling out and in of the drilling line causes the traveling block, and whatever may be hanging underneath it, to be lowered into or raised out of the wellbore.
这种钢丝绳沿滚筒松开和缠绕引起游动滑车从井眼内下降或上升，无论游动滑车下面悬挂的是什么东西。
With the new drilling line properly reeved on to the drawworks drum, pick up the weight of the traveling block, test the drawworks brake, and verify that the drilling line is tight on the drum.
当新大绳在绞车辊筒上都排好之后，上提游车，试绞车的刹车，检查辊筒上的大绳是否排紧。
On the basis of the static and dynamic stress analysis about the traveling mechanism, the minimum suction parameter of the single magnetic adsorbing block was determined.
在对移动机构的静态和动态进行受力分析的基础上，确定了单个磁性吸附块的最小吸力参数。
Anesthesia is used during operations and other medical procedures to block pain signals from traveling through the nervous system.
麻醉被用于手术和其它医疗程序中，以阻止疼痛信号在神经系统中传导。
Anesthesia is used during operations and other medical procedures to block pain signals from traveling through the nervous system.
麻醉应用于手术或者其他医疗程序中以组织疼痛信号传向神经系统。
Anesthesia is used during operations and other medical procedures to block pain signals from traveling through the nervous system.
麻醉应用于手术或者其他医疗程序中以组织疼痛信号传向神经系统。
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