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单词 suction dredging
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suction dredging
suction dredging n.
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society > occupation and work > industry > diving or dredging > [noun] > dredging > specific method
bucket-dredging1898
suction dredging1965
1965 G. J. Williams Econ. Geol. N.Z. vii. 69/2 These sands were washed beyond the narrow confines of the Ohinemuri River..where they were worked by suction-dredging some years ago.
1974 H. R. Cooper Pract. Dredging (ed. 2) p. x During the 12 years since the first edition of Practical Dredging was published, trailing suction dredging methods have become increasingly important.
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