消声

7 Insulation materials of pipe and equipment,muffler materials and adhesives should be noncombustible material.

8.5.7 管道和设备的保温材料、消声材料和粘结剂应为不燃烧材料或难燃烧材料。

At the same time, the control and operation of air conditioning systems, fire and smoke extraction system and the system features the silent and Jianzhen in the simple design.

同时，对空调系统的控制与运行，防火排烟和排风系统以及系统的消声及减振等方面进行了简单的设计。

To achieve this, the rear exhaust silencer has been located in a transverse position where it also serves as an aerodynamic diffuser, but still allows sufficient space for the storage of a spare wheel.

要做到这一点，后方排气消声一直设在横向位置，也可作为气动扩，但仍留有足够的空间储存了备胎。

According to music historian Charles Burney , who became his apprentice in 1744, Arne tormented his fellow pupils "night and day" by playing the recorder , practising the spinet secretly at night during the holidays, and "muffling the strings with a handkerchief".

据音乐史学家查尔斯伯尼，谁在1744年成为他的徒弟，阿恩折磨他的同事学生"白天和黑夜"的打记录，实行夜间的级网络秘密假期期间，以及"用手帕消声字符串"。

Is only a small number of China metal powder injection molding one of the manufacturers, Main production PM powder metallurgy, powder injection molding, Precision Casting, metal structural parts, metal accessories, gears, Sleeve Bearing, precision components profiled complex, non-standard conditions, including : Sleeve Bearing, oil bearings, bushings, flanged connecting sleeve; Double gears, bevel gear, Pulley, synchronous wheel, sprocket, AK47 toy gun gear, various micro-precision gear drive; PM microporous filters, filter tubes, mufflers and filtration materials, Copper filters, stainless steel trap; mixer blades, coffee machine cutter heads Soymilk Machine grinding pieces Juicer blades, Juice blades, and household electrical appliances, metal accessories; Oscillator phone, cell phone parts and notebook parts; Metal keys, ATM machine keys; Toys accessories, fiber accessories; various copper, iron, and stainless steel products, alloy products; automobiles, motorcycles, machine tools, electrical machinery and office equipment, medical equipment and other types of machinery, electrical appliances, electric / pneumatic products within the precision components; Industries products within the structure of precision metal parts!

其中包括：烧结含油轴承、轴套、粉末冶金铜套、含油杯士、法兰、衬套、偏心含油轴承、球形含油轴承；粉末冶金齿轮、双联齿轮、伞齿轮、锥齿轮、同步皮带轮、链轮、棘轮、扇齿轮、双层齿轮、多层齿轮、直齿轮、斜齿轮、各类精密传动齿轮；粉末冶金烧结微孔过滤器、烧结过滤片、粉末冶金滤芯、滤筒、滤管、消声排气节流阀、青铜烧结过滤器；搅拌机刀片、绞肉机圆盘刀片、十字绞刀、铰刀盘、圆孔板、胡椒研磨件、豆浆机刀片、榨汁机刀片、果汁机刀片、咖啡机刀片、磨豆机刀片、家电五金配件；凸轮、凹轮、偏心轮、摆砣；手机振子、手机零件、笔记本零件；金属按键、ATM机按键；玩具配件、光纤配件；各种铜基、铁基、不锈钢制品、合金制品；汽车、摩托车、机床、电机、办公器械、医疗器械及其他各种机械、电器、电/气动产品内的复杂异形精密零件、非标准件；各行业产品内部用的精密金属结构零配件、五金配件。

So, we have to find a new effective method to modify surface of anechoic tiles.

因此，有必要研究用一种新的工艺方法来对消声瓦橡胶表面进行改性处理。

To ensure an adequate offset, the countervibration of the actuator in the overall operating range (20 – 800 Hz) has to be generated with an accuracy of ± 5 degrees in the phase and ± 0.5 dB in the amplitude.

为了保证充分消声，传动装置所有操作范围（20 – 800 Hz）中产生的抗振相位精确度必须达到± 5度，振幅精确度必须达到± 0.5 dB。

The products adopt cooling tower specified moter,fan and specific water drenching noise elimination techonology,attained leading level in the country.

采用冷却塔专用电机，风机和独特的淋水消声技术，噪声指数处于国内领先水平。

So, I just taugh him this one--have butterfly in one's stomach.After my telling him how to use this idiom, he smiled prankishly and said:A piece of cake!

这种挨家挨户访问的推销员现在几乎已经消声匿迹了，大多数推销员现在都靠电话来招揽生意。

I plant professional sound system automobile production products, including various types of noise on tailpipe and related products.

我厂专业生产汽车消声系统产品，包括各类消声器尾管及相关产品。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。