英语词汇“trench brace”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	trench brace
释义	trench brace trench brace A device, usually adjustable in length, for supporting sheeting or other materials used to prevent collapse of the sidewalls of a ditch or trench.
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