Sound dust
声尘───Sound dust
swirl of construction dust and sound of jackhammers can be overwhelming during the day. Some say the city looks best at night.───白天城市到处都是建筑灰尘和工地上的声音。有人说,晚上这座城市最漂亮。
There is no air on the Moon to transmit sound waves, but “you could play it through the dust and see what it sounds like when you play it right on the surface,” Mr.───月球上没有空气,声音难以传播,但是“你可以利用尘埃来传播声音,看看在月球表面唱歌听起来如何,”Jain说道。
motor dust collector has sound dust collection effect, small loss of flow resistance and low noise, and rainwater protecting functions, and can endure impaction of rainwater from any direction.───除尘器除尘效果好,流动阻力损失小,噪声低,具有很好的防雨水功能,可以承受任何方向的雨水冲击。