The floating rig, longer than a football field and 15 stories high, had eight hollow legs.
浮动平台比足球场还长，有15层高，有8个中空支腿。
The system's ability to detect flow in gallons rather than barrels and to compensate for floating rig movement helps to minimize false-positive kick alarms.
该系统独有的监测更小溢流和补偿浮动钻井设备运动的能力，有助于减小井涌的误报频率。
You can either install an expensive system of treehouse cables and bolts or rig your own free-floating beam.
你可以在树屋的每一侧安装一套有缆绳和螺栓的昂贵系统，或者安装一个房屋专用的自由浮动梁。
You can either install an expensive system of treehouse cables and bolts or rig your own free-floating beam.
你可以在树屋的每一侧安装一套有缆绳和螺栓的昂贵系统，或者安装一个房屋专用的自由浮动梁。
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