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锟斤拷(l锟斤拷i)源锟斤拷http://www.alignmentexpress.net/1888.html锟斤拷锟絣(f锟斤拷)锟斤拷锟节ｏ拷2018-12-12 00:32锟斤拷锟斤拷锟斤拷锟絞锟絒锟斤拷4,837

锟较猴拷锟斤拷锟斤拷锟絧锟斤拷锟斤拷锟斤拷锟紽(tu锟斤拷n)锟斤拷锟睫癸拷司锟劫凤拷锟絎(w锟斤拷ng)站锟斤拷锟斤拷锟斤拷B锟斤拷锟斤拷s锟斤拷锟絧锟斤拷锟斤拷锟絈锟斤拷锟斤拷锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟紽(tu锟斤拷n)锟介眾锟斤拷锟斤拷锟斤拷锟絪锟斤拷锟结供锟斤拷锟缴減锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷效锟侥斤拷锟斤拷锟斤拷s锟斤拷锟侥斤拷锟斤拷锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷某锟�(xi锟斤拷ng)目锟斤拷锟斤拷锟絪锟斤拷锟斤拷锟絙锟剿忥拷锟缴減锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟酵戯拷锟结供锟紽(xi锟斤拷n)锟斤拷(ch锟斤拷ng)锟斤拷锟絙锟斤拷Q锟斤拷锟斤拷锟斤拷

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锟斤拷s锟斤拷锟斤拷聲锟斤拷锟斤拷锟斤拷要锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)锟斤拷聲锟斤拷锟斤拷锟斤拷電機(j锟斤拷)锟斤拷聲锟斤拷锟斤拷锟斤拷水锟斤拷锟斤拷聲锟斤拷锟斤拷锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷染锟斤拷锟斤拷锟斤拷

锟斤拷s锟斤拷锟斤拷使锟矫碉拷锟絕(gu锟斤拷)锟斤拷锟叫產(ch锟斤拷n)锟斤拷锟斤拷锟斤拷聲锟斤拷染锟斤拷(y锟斤拷n)锟截ｏ拷影響撅拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟絟(hu锟斤拷n)锟斤拷锟斤拷

锟斤拷s锟斤拷锟斤拷锟斤拷聲源锟斤拷锟斤拷锟铰幾诧拷锟街組锟缴ｏ拷

1锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)锟組(j锟斤拷n)锟斤拷锟絃(f锟斤拷ng)锟斤拷聲锟斤拷

2锟斤拷锟斤拷水锟斤拷聲锟斤拷

3锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)锟絧锟斤拷锟斤拷锟斤拷電勶拷(d锟斤拷ng)锟紺(j锟斤拷)锟斤拷聲锟斤拷

4锟斤拷锟斤拷s锟斤拷水锟斤拷锟斤拷锟斤拷芎锟斤拷y锟絋锟斤拷聲锟斤拷

锟斤拷锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)锟絓(y锟斤拷n)锟斤拷锟組(j锟斤拷n)锟斤拷锟脚氾拷锟斤拷聲锟斤拷锟斤拷水锟斤拷聲锟斤拷锟斤拷锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)通锟絕(gu锟斤拷)锟組(j锟斤拷n)锟斤拷锟脚氾拷诤锟斤拷锟斤拷w锟斤拷锟斤拷輻锟斤拷锟斤拷聲锟斤拷锟脚氾拷锟斤拷锟铰曪拷锟斤拷M(j锟斤拷n)锟斤拷锟斤拷锟铰曪拷锟�5-10dB(A)锟斤拷锟斤拷锟絣锟絍锟斤拷锟斤拷锟皆碉拷锟絣锟斤拷锟斤拷锟斤拷锟紹锟絤(x锟斤拷)锟絍锟斤拷循锟絟(hu锟斤拷n)锟斤拷水锟斤拷锟斤拷水锟絙锟斤拷锟斤拷锟斤拷r(sh锟斤拷)锟斤拷锟絚锟斤拷锟阶斤拷水锟絇锟侥積水撞锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷水聲锟劫革拷锟絣锟斤拷聲锟斤拷锟斤拷水聲锟侥达拷小锟絚锟斤拷水锟竭度和嗭拷位锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷水锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷

锟斤拷s锟斤拷锟斤拷锟絯锟斤拷聲值锟斤拷85dB(A)锟斤拷锟斤拷锟斤拷