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- air borne sound 空降声音
- Superior quality seals, waterproof, sound insulation and safe. 专用门锁及优质密封胶条,密封、水、音,安全可靠。
- The airtight air layer that it forms can have sound insulation effect, the door that makes by this method can achieve the sound insulation result of 29 decibel. 它形成的密闭空气层能起到隔音作用,按此方法制作的门能达到29分贝的隔音效果。
- Insulation, sound insulation, air tightness: sa there is no material in the system,so it completely eliminates the hidden danger of driping water and cold bridges. 保温、隔音、气密性:全系统无金属材料,彻底杜绝了滴水冷桥等隐患。
- Window of alleged sound insulation uses two windows to separate sound namely. 所谓隔音窗就是用两层窗户把声音隔开。
- air born sound 空气声, 空气传声, 气原声
- The sound insulation equipment in the concert hall was imported from the US. 音乐厅的隔音设备是从美国进口的。
- Methods of yawp treatment using sound insulation techniques are summarized. 利用隔声技术可以治理噪声,文中阐述提高隔声墙隔声能力的措施。
- The underlying cause is environmental through air borne toxins as well as toxins in the water supply or food supply. 潜在致因是环境中藉由空气传播的毒素,以及水源或食物源所带来的毒素。
- MMVF compound, prefabricated, sprayed or cast in situ, for heat insulation, sound insulation or fire protection. 预制的或现场喷涂或浇注的,用于保温、隔音或防火的MMVF化合物。
- Abstract: Porous bricks are of good performance of thermal and sound insulation,thus they are energy saving materials. 文摘:多孔砖具有保温性能好、节能降耗、隔声性能优、组砌灵活、施工工效高、造价低等诸多优点。
- Pressure-compensated air bearings are used on both ends of the trunnion axis. 耳轴两端各用一压力补偿空气轴承。
- In theis paper, the characteristics of sound insulation of a typical aicraft sidewall structure have been investigated. 研究了典型飞机壁板结构的隔声特性。
- It was found that the transmissions of Sal.enteritidis infection in the duck flork could be induced by oral route through feeding materials and drinking water or by air borne route of infection. 方法研究经饲料、饮水口服和空气传播引起感染的情况。结果肠炎沙门氏菌在鸭群中可经饲料、饮水由消化道或经空气传播从呼吸道进入而引起发病。
- The function of the curtain is sound absorption, sound insulation, adiabatic above all, prevent cold, adjust the light. 窗帘的功能首先是吸声、隔音、隔热、防寒、调节光线等。
- This method are with a high accuracy and real time application,and can be applied in the calculation of allowable launching area of air to air missile in air borne fire control system. 提出了一种确定目标进入角的原理和方法,这种原理和方法具有较高的计算精度和实时性,易于工程实现,可用于机载火力控制系统完成空对空导弹允许发射区计算。
- Should choose those when decorating a study so sound insulation, sound-absorbing the adornment stuff with good effect. 所以在装修书房时要选用那些隔音、吸音效果好的装饰材料。
- By the airtight sex of sound insulation glass, indoor airiness can rely on to add outfit exhaust fan to solve only. 由隔音玻璃的密闭性,室内的空气流通只能靠加装排气扇来解决。
- Building insulation, sound insulation, ventilation in warehouse,, mold, moisture, with formation warehouses, dry. 建房隔热、保温良好,库内通风、通气、防霉、防潮、内仓平整、干燥。
- Outside fastening, also can use double deck glass, because its sound insulation effect has been compared. 别外,也可以使用双层玻璃,因为它的隔音效果比较好。