window sash (wing), door leaves (wings of a door)
window sash (wing), door leaves (wings of a door)
[专利英汉词典]
window sash (wing), door leaves (wings of a door)【固定建筑物】
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是什么意思,window sash (wing), door leaves (wings of a door)的解释,window sash (wing), door leaves (wings of a door)的翻译