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】
窗扇（翼），门叶（门翼）
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