Only it is an useful equipment of the desert rig, at the same time, it is a special suit of land rig, worth popularize.
它不仅是沙漠钻机的必备设备之一，同时，对其他地域的陆地钻机也非常适用，值得推广使用。
This standard specifies the technical requirements special regulations on the inspection lifting and laying down of self-erection mast of land rig.
本标准规定了陆地钻机自升式井架起放作业的检查、起升和下放技术要求及特殊规定。
Masts are usually rectangular or trapezoidal in shape and offer a very good stiffness, important to land rigs whose mast is laid down when the rig is moved.
桅架的形状一般呈矩形或者梯形。具有很好的刚度，对于陆地钻机而言非常重要，当钻机移去时，桅架需要放倒。
They rig the game in other ways, too, enjoying privileged access to land and permits.
他们也用别的方式操纵游戏，享受获得土地和许可的优先权。
The helicopter will land on rig soon.
直升机很快就要在平台上降落。
Because of the particularity of the ocean environment, there exists great difference between the operating environments of the ocean workover rig and the land workover rig.
由于海洋环境的特殊性，海洋修井机井架与陆地修井机井架的使用环境有很大差异。
The principle of the aerodynamics is used to study the land wind field characteristic of the Daqing oil field and the wind load spectrum theory of oil rig derrick has been established.
运用空气动学原理，研究了大庆油田的陆地风场特性，进行了井架结构风载荷谱理论分析。
They were constrained to the cable rig in a hanging position and were animated to the correct speed to land on the train.
他们被迫有线模拟试验台是一个悬挂的位置和速度动画片正确地在火车上了。
They were constrained to the cable rig in a hanging position and were animated to the correct speed to land on the train.
他们被迫有线模拟试验台是一个悬挂的位置和速度动画片正确地在火车上了。
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