machinery noise

基本解釋

Engine exhaust noise is a main source for construction machinery noise, and it has a very significant impact on the level of construction machinery noise.
發(fā)動(dòng)機(jī)排氣噪聲是工程機(jī)械整機(jī)噪聲中最主要的噪聲源，對(duì)於工程機(jī)械整機(jī)噪聲水平的高低有重要的影響。
Machinery noise control technology applications in the ship can not only improve the human work environment, but also improve the performance of ship stealth.
機(jī)械噪聲控制技術(shù)在艦船上的應(yīng)用不但可以改善人機(jī)工作環(huán)境，而且還可以提高艦船隱身性能。
Then the pipe system becomes the main noise resource of quite submarine, when propeller noise, hydrodynamic noise and machinery noise of facility base are controlled effectively.
指出螺鏇槳噪聲、水動(dòng)力噪聲和設(shè)備機(jī)座機(jī)械噪聲被有傚抑制後，琯道系統(tǒng)便成爲(wèi)“安靜型”潛艇的主要噪聲源。

Almost everything stays at eye level or below, and there are conveyors in only one spot, meaning less machinery that might need attention (and less noise).
FORBES: Magazine Article