Please adjust your derricks properly.
请把吊杆调整好。
Their anti torture properties were analyzed, and the stresses of derricks were calculated with nonlinear computing method.
采用非线性计算方法对井架的杆件应力进行了计算。
Derricks would rise as much as 180 feet above the borehole.
吊杆会升到到高达钻孔上方180英尺。
Derricks are scattered here and there on the boundless plain.
在一望无际的原野上散布着一座座井架。
Derricks and jetties above brown water.
钻塔和防波堤突现在褐色的海水上。
Method for calculating Stability of solid axis pressure bar used on derricks
井架实腹式轴心压杆稳定性计算新方法
General cargo is loaded and unloaded by cranes or ship's own derricks.
纯货用伏重机或用船舶大家得吊杆装卸。
Please swing the derricks outboard. We want to use the shore crane.
请把吊杆甩到外档去，我们要用岸吊作业。
Construction and Demolition Operations Safety Requirements， Definitions， and Specifications for Digger Derricks
建造和拆除操作。挖掘起重机的安全要求，定义和规范
Let's keep away from the derricks.
咱们离吊杆远一点走。
All derricks lowered down and secured.
所有的吊杆已经落下并绑牢。
You have derricks at all hatches, don't you? ?
你们所有舱口都有吊杆是吗?
Lofty derricks dot the landscape in an oil field.
高耸的井架点缀着油田的景色。
Steel derricks rose to meet our eyes as we drew nearer to the oil fields.
我们快到油田时看到了矗立的井架。
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