In the operation of offshore engineering, the form of positioning measurement is transferred from radio positioning to differential global position system (GPS) gradually.
海上工程作业中定位测量已由原先的无线电定位逐步过渡到差分GPS定位。
The rapid filling of flotation tanks with water to tilt an offshore platform that has been floated out into position.
海上平台已被浮至预定位置时,用水对浮罐的快速灌注。
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