double-hung

英[\'dʌblh\'ʌŋ]

美[\'dʌblh\'ʌŋ]

基本释义

双吊钩

However, for double - hung windows, the principal members are cold - formed from new billet strip steel.

但上下推拉窗的主要构件要用新带钢钢锭冷加工成形.

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