英语词汇“filter-bottom block”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	filter-bottom block
释义	filter-bottom block noun : a hollow vitrified salt-glazed clay block used in the floors of trickling filters in sewage-treatment plants
随便看	two-suit hand two-tail two-tailed two-thirder two-thirds rule two-thirds vote two-three two-throw two-time two-timer two-toed two-toed anteater two-toed sloth two-tone two-toned two-to-one two-tooth two-toothed longhorn two-track two-twenty two-up two-valued two-way two-way plow two-way plug

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