常見例句雙語例句This paper describes the vibration and noise reduction of low-noise-wheel applications for motor and trailer cars in the electric multiple unit (U) syst.這篇文章描述低噪聲輪子聲請的振蕩和噪聲降低對電動機和拖車汽車的在電多個單位（鴯） 系統(tǒng)。jhsme.comSo how to take into account the complex factors to improve the design of the tuned mass damper is still the important issue of the automotive vibration and noise reduction.因此如何綜合考慮各種復雜因素，完善調(diào)諧質(zhì)量阻尼器的設計，仍然是汽車減振降噪所面臨的重要問題。Noise at boundary of industrial enterprises can reach the standard of discharge after corresponding measures for vibration and noise reduction are taken for various equipments.各設備噪聲采取相應減震、減噪措施，廠界噪聲可達標排放； 返回 vibration and noise reduction