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- 摘要指出了全空气空调系统噪声控制应注意的几个问题,如消声器设置、空调机房及风管传声、噪声叠加等。Points out the key issues in noise control including the arrangement of sound absorber. noise transmission from machine room and duct and noise superposition.
- 经咽鼓管传声检查法sonotubometry
- 消声管hush tube
- 探管exploring tube
- 干簧管传感reed pipe as transducer
- 水下吸声覆盖层声管测试的背衬研究Effect of backing in the measurement of underwater anechoic coating with an acoustic cylindrical tube
- U型管传热量影响因素的数值模拟研究NUMERICAL STUDY ON THE INFLUENCING FACTORS ON THE HEAT TRANSFER OF THE U-TUBE
- 测井仪探管角响应对测量结果的影响Influence of Directional Response of Gamma-ray Logging Probe on Results of Measurement
- 双传声法two-microphone
- 火探管式自动探火灭火装置设计、施工及验收规范Code for Design, Installation and Acceptance of automatic detecting and fire extinguishing Device used Fire Trace Tube
- 大声loudly
- 水渗透对塑料导爆管传爆可靠性的影响The Influence of Water Permeation on the Detonation Propagation Reliability of Nonel Tube
- 品管QA
- 低音廊,传声廊whispering gallery,whispering dome
- 排气管vent-pipe
- 配管tubing
- 探管器pipe locator
- 玻璃能透光,水会传声。Glass transmits light and water transmits sound.
- 热管thermotube
- 盘管pipe coil