window sash (wing) , door leaf (wing of a door)
window sash (wing) , door leaf (wing of a door)
[专利英汉词典]
window sash (wing) , door leaf (wing of a door)【固定建筑物】
窗户框,门的合叶
是什么意思,window sash (wing) , door leaf (wing of a door)的解释,window sash (wing) , door leaf (wing of a door)的翻译