“buoyancy pontoons”的概念、定义、翻译、参考文献-科学参考

单词	buoyancy pontoons
释义	buoyancy pontoons [`bȯi·ǝn·sē pän`tünz] ^{PETROLEUM ENGINEERING} Pontoons that buoy up offshore pipelines during the welding together of sections over bodies of water, after which the pontoons are removed and the pipeline is allowed to sink into position on the bottom.
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