英语词汇“extension trestle ladder”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	extension trestle ladder
释义	extension trestle ladder extension trestle ladder A ladder which is self-supporting and adjustable in length; consists of a trestle ladder base and a vertically-adjustable single ladder which may be interlocked.
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