英语词汇secondary timbers是什么意思，secondary timbers的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	secondary timbers
释义	secondary timbers　潜在商品材(缺乏实质的价值或贸易上有名木材)
随便看	follower valve follower with gain followers followers followers followers following following following following following aircraft following blanks following component Following CR following CR following cr following day following day following error following limb following mechanism following morning following paragraph following sea following tap

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