那些大而结实的隔音门到哪里去了？
戏剧厅隔音门工程规划案。
The Sound Insulation Door of Experimental Theater Maintenance Project.
隔音门是专为需要控制声音的场合而设计和构建的。
Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired.
隔音门。隔音门是专为需要控制声音的场合而设计和构建的。
Acoustical doors. Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired.
假设你的公司没有这种扩张计划，那么答案就用墙和门来隔音。
Assuming your company has no such expansion plans, the answer is in walls and doors.
夸耶特tm隔音防火门融入了专业的隔音、防火设计、优质的材质、精细的制造、精美的着色等。
QuietTM fire Door, made of high-quality material, is integrated with professional sound and fire proof design, and carefully manufactured and colored.
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.
假设你准备在一间隔音的浴室里洗澡，浴室没有窗户，只有一扇门，门一旦关上就自动锁起来，从外面才能打开。
Imagine you're about to take a bath in a soundproof bathroom. There are no Windows. There's only one door, and it locks automatically from outside when shut.
PVC折叠门具有门体质轻，、保温隔冷热、防潮、防火阻燃、降噪隔音、耐酸碱、耐腐蚀等化学稳定性。
PVC folding door with door physical light, heat, moisture, thermal insulation, fire retardant, sound insulation, acid and alkali resistance, corrosion resistance and chemical stability.
PVC折叠门具有门体质轻，、保温隔冷热、防潮、防火阻燃、降噪隔音、耐酸碱、耐腐蚀等化学稳定性。
PVC folding door with door physical light, heat, moisture, thermal insulation, fire retardant, sound insulation, acid and alkali resistance, corrosion resistance and chemical stability.
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