1) thump
[英][θʌmp] [美][θʌmp]
低音噪音
2) low-noise
低噪音
1.
It is researched the low-noise performances of diurea grease,and discovered the aryl amine diurea grease possesses low vibration value at start,but the vibration value increases rapidly and unsteady because of the particles of aryl amine diurea damages the surface of bearings.
研究了双脲润滑脂的低噪音性能,发现芳胺双脲脂启动时具有低的振动值,但振动值增加迅速且不稳定,原因是芳胺双脲的微粒损伤了轴承表面所致。
2.
Now asphalt pavement has been put to use more and more on highway,bridge and tunnel because of many merits such as seamless,low-noise,good planeness,droving steadily,riding comfortable and maintain easily.
再结合具体工程数据进行测试和验证,最终形成三种满足需要的铺装形式和一种防水粘结层:阻燃改性SMA沥青玛蹄脂路面、低噪音排水性沥青路面和薄层抗滑层铺装层以及层间防水粘结层材料。
3) low noise
低噪音
1.
Pole and slot matching and low noise drives technique for BLDC motor;
无刷直流电动机极槽配合及低噪音驱动技术
2.
Subsequently, Japan put into operation the relevant low-noise construction machinery regulations in 1997 under which 18 types of equipment complying with the relevant noise emission standards and bearing the 97 low noise labels are allowed to be used.
及后,日本在1997年颁布有关低噪音建筑机械法规,使自2002年10月起,18类建筑机械须符合有关噪音标准及贴有“97低噪音标签”,方可于指定地区内使用。
4) Low-frequency noise
低频噪音
1.
The environmental impacts of the EHV converting station in urban populous areas consists in electromagnetic radiation and low-frequency noise.
城区超高压变电站的环境影响主要是电磁辐射和噪音干扰两方面,阐述了这两方面的危害,分析了其中存在的关键问题,并指出,合理选择电气设备和采取积极有效的布置型式是降低电磁辐射的关键,采用有源噪音控制系统有效降低低频噪音声级是减轻噪音污染的关键。
5) low sound level pump
低噪音泵
6) low noise pavement
低噪音路面
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条