二楼的主卧门也改成了双开门，就像古代的双开门，很大气，通风也不错。
On the second floor master bedroom door turned into a double-door, just as the ancient double-door, it is the atmosphere, the ventilation is not bad.
夸耶特TM隔音防火门有单开、双开、推拉等多种形式，提供标准及非标尺寸，不同隔音等级需求的产品。
QuietTM Fire Door is of single, double and sliding types and products of standard and nonstandard sizes are available to meet the requirements of different sound insulation grades.
夸耶特TM隔音防火门有单开、双开、推拉等多种形式，提供标准及非标尺寸，不同隔音等级需求的产品。
QuietTM Fire Door is of single, double and sliding types and products of standard and nonstandard sizes are available to meet the requirements of different sound insulation grades.
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