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防波堤
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防波堤
Encyclopedia
理学
港口结构物
释
breakwater
防波堤
为防御波浪、泥沙,冰凌入侵港区水域而修建的水工建筑物。港口的重要组成部分。
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Proclamation of Emancipation of Negro Slaves
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Proclus (410—485)
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pro column derivatization
pro-column derivatization
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procreation
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