The vertically paving plastic film is a new technique in the aiti-seepage of dikes.Which developed and studyed and improved for more than then years.
英
美
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摘要垂直鋪塑防滲技術(shù)是堤壩防滲的一種新技術(shù),經(jīng)過(guò)十多年的開(kāi)發(fā)研制和改進(jìn),該項新技術(shù)已經(jīng)成熟。
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国内精品美女A∨在线播放xuan