over-layer

英 ['əʊvərl'eɪər] 美 ['əʊvərl'eɪər]

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over-layer的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 overlayer:

1. protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior