downstream silencer

用法例句

A mute for various brass instruments.

减音器各种铜管乐器中的一种减音器

an organ stop resulting in a soft muted sound.

一种减弱声音的调音器。

The driver deadened the noise of the car with a new muffler.

司机安装了新的消声器减少汽车嗓音。

Move the slider bar to increase or decrease your speaker volume

请移动滚动条增大或减小扬声器音量

Any of various devices used to muffle or soften the tone of an instrument.

弱音器任何一种用来消除或者减弱乐器的音的仪器

To provide(the strings of a keyboard instrument)with dampers as a means of reducing the dynamic level.

制音用制音器来减小（键盘乐器琴键的）强弱变动的程度

Rotornet: A High-Performance Hypersonic Decelerator for Planetary Entry

叶轮网,进入轨道用的高性能超音速减速器

If the volume level is too high, the speaker protection circuit activates, and the sound level drops suddenly.

如果音量电平太高，扬声器保护电路即起作用而突然地减小声音。

An example would be noise where engines can be muffled thus reducing noise by a noticeable amount.

例如，发动机可以加以消音从而大大减少机器的噪音。

The latest style large capacity muffle with special structure has reduced the noise of exhaust gas. A larger air filter is employed to reduce the noise of suction gas.

新型大容量和特殊内部构造消音器降低了排气噪音.采用较大的空气滤器减少了进气噪音.

Note: To reduce noise, install an engine intake filter and use a suitable expansion muffler.

注:为减少噪声,请安装进汽过滤器和适当的消音器。

attenuation compensator

衰减均衡器衰减补偿器

To reduce(a perfect or minor interval)by a semitone.

把（音程）减半音把（纯音程或小音程）减小半度

At the crack of dawn the next day, the ship reduced its speed and the sound of its engines altered rhythm.

明天东方才白，船的速度减低，机器的声音也换了节奏。

attenuator: a device that attenuates an electrical signal.

衰减器,减压器: 使电子讯号减弱的装置。

A device that attenuates an electrical signal.

衰减器，减压器使电子讯号减弱的装置

Fray said he believes such a detector, with a message in a familiar voice recorded on it, will be less confusing to a child than a standard smoke alarm.

弗瑞说，他相信这种录下孩子们熟悉的声音的报警器比一般报警器能让孩子减少困惑。

cylinder relief cock

汽缸减压旋塞，减压器