英语词汇“gravel fill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	gravel fill
释义	Gravel fill Gravel fill Crushed rock, pebbles, or gravel deposited at the bottom of an excavated wall, or footing, to ensure adequate drain age of water.
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Gravel fill