建筑用门空气声隔声性能分级及其检测方法 meaning in English
the graduation of airborne sound insulating properties and test method for doorr
Examples
- The graduation of air - borne sound insulating properties and test method for door
建筑用门空气声隔声性能分级及其检测方法
the graduation of airborne sound insulating properties and test method for doorr