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2013-05-23 12:21
求翻译：Plastic weights УБП are designated for ballasting of metal and non-metal (polyethylene, polypropylene, glass-fiber plastic) 聚乙烯、 聚丙烯、 玻纤塑料 pipelines with diameters of 63-1420mm at route development in waterlogged soils, for pipes fixation on designed markings and in order to prevent pipeline floating during the operati是什么意思？ 待解决
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Plastic weights УБП are designated for ballasting of metal and non-metal (polyethylene, polypropylene, glass-fiber plastic) 聚乙烯、 聚丙烯、 玻纤塑料 pipelines with diameters of 63-1420mm at route development in waterlogged soils, for pipes fixation on designed markings and in order to prevent pipeline floating during the operati
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