1、

This paper introduces a new type of portable power-operated aspirator which is composed of tubular piston oilless pump, universal motor, automatic liquid level control system, noise proof and vibration absorptive devices and so on.

介绍一种由筒形活塞无油泵、交直流两用电动机、自动液面控制系统、防噪声和减震装置等组成的新型便携电动吸引器装置。

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2、

The whole power pack is a simple and complete independent system that has a very good noise proof processing, which reaches corresponding standard.

整组动力箱成一简单完整的独立系统且隔音处理良好噪音符合标准。

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3、

We are immune to the noise due to the sound proof glass.

多亏了隔音玻璃,使我们免受噪声干扰。

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4、

Solutions to noise pollution include adding insulation and sound-proofing to doors, walls, and ceilings;

解决噪音污染的办法包括:对门、墙体、天花板加装隔音材料;

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5、

NAND FLASH memory has been widely used in high-tech fields as well as a variety of handheld electronic products because of its fast access speed, light weight, no noise, small size, non-volatility, and shock-proof and throw-proof characteristics.

NAND Flash存储器因为其访问速度快、质量轻、无噪音、体积小、非易失和防震抗摔等特点而被广泛应用于高科技领域以及各种手持电子产品之中。

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6、

Design of frost proof, air ducting and noise reduction for reverse-flow natural draft cooling tower

逆流式自然通风冷却塔防冻导风降噪设计

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7、

Also , electric static protection, heat insulation, dust proof , flies defending , noise decreasing.

起到防静电、保温 、 隔热 、 防尘 、 降低噪音等作用.

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8、

Sound-proof Workroom is an Effective Approach to Reducing Noise Nuisance

隔音值班室是减少噪声危害的有效途径

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9、

a variety of styles, patterns and diverse, a good noise insulation, moisture-proof, shock and other properties.

款式多种, 花色多样, 具有良好的隔音、隔热 、 防潮 、 抗冲击等性能.

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10、

This kind of noise, spindle bearing produce proof quality problems or spindle bearings use life has to wear, or after the decline in the quality or damage, can consider to change at this time.

这类噪音的产生,证明主轴轴承存在质量问题或者主轴轴承使用寿命已到,或者磨损后质量下降或损坏,此时可以考虑更换。

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