由于阀瓣的关闭行程缩短及弹簧作用可加速关闭效果,减少水锤及水击声。
The disc's shutoff stroke is very short and under the effect of the spring, the valve can close quickly and prevent the big noise from water-hammering.
6声学-建筑和建筑构件隔声测量,第6部分:楼板墥击声的实验室测量。
GB/T19889.6 Acoustics-Measurement of sound insulation in buildings and of building elements-Part 6: Laboratory measurements of impact sound insulation of floors.
她因此能远离小心翼翼踮足生活的喧嚣尘世,无忧无虑地躺在湖边,一心一意聆听那浪击声。
It took her away from the noisy, squawkish world of the cat-walk and let her lie untroubled at its side, listening only to the gentle lapping of its waves.
这儿那儿,在顺风时,可以断断续续模糊地听见叫喊声、嘈杂声和一种喧闹的嗒嗒声,这就是机枪在响,还有低沉的击拍声,这就是在开炮。
Here and there, at intervals, when the wind blew, shouts, clamor, a sort of tumultuous death rattle, which was the firing, and dull blows, which were discharges of cannon, struck the ear confusedly.
这章音乐序曲在响亮的击钹声中结束。
那中年汉子竖剑挡格,铮的一声响,双剑相击,嗡嗡作声。
The middle-aged man raised his sword to parry. The blades met with a loud clang, giving off a humming sound.
那声如钟击的翅膀在头顶。
那声如钟击的翅膀在头顶。
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