锟斤拷锟斤拷锟斤拷锟酵發(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷拇锟绞�?锟斤拷锟酵發(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷k锟斤拷锟角忥拷聲源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟斤拷規(gu锟斤拷)锟侥斤拷锟斤拷锟斤拷聲锟侥硷拷锟絞(sh锟斤拷);锟斤拷锟斤拷聲锟斤拷锟斤拷锟斤拷聲锟斤拷锟斤拷聲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫э拷锟斤拷k锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷u锟絣(f锟斤拷)電機(j锟斤拷)锟斤拷锟解公司锟斤拷锟揭凤拷锟斤拷锟斤拷锟酵發(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟矫的凤拷锟斤拷锟斤拷

锟斤拷锟酵發(f锟斤拷)電機(j锟斤拷)

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟脚氾拷锟斤拷聲锟斤拷

锟斤拷锟斤拷锟脚氾拷锟斤拷聲锟角機(j锟斤拷)锟組锟斤拷锟斤拷要锟斤拷锟斤拷聲源锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷聲锟斤拷(j锟斤拷)锟斤拷锟斤拷锟脚氾拷锟劫度匡拷锟斤拷锟斤拷锟斤拷锟統锟饺大。诧拷锟斤拷锟斤拷锟狡碉拷锟借抗锟酵忥拷(f锟斤拷)锟斤拷式锟斤拷锟斤拷聲锟斤拷锟斤拷一锟斤拷锟绞癸拷艢锟斤拷锟铰曪拷锟斤拷锟�40-60db(a)锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟絊锟斤拷锟絃(f锟斤拷ng)锟紺(j锟斤拷)锟斤拷聲锟斤拷

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锟斤拷锟斤拷3锟斤拷锟紺(j锟斤拷)锟斤拷锟侥革拷聲锟斤拷锟斤拷聲處锟斤拷锟酵機(j锟斤拷)锟組锟斤拷锟斤拷锟斤拷

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锟斤拷锟斤拷(2)锟組(j锟斤拷n)锟絃(f锟斤拷ng)锟斤拷锟斤拷锟絃(f锟斤拷ng)锟斤拷锟紺(j锟斤拷)锟斤拷锟斤拷聲處锟斤拷之锟斤拷锟斤拷要锟斤拷Q锟紺(j锟斤拷)锟斤拷?j锟斤拷)?n锟斤拷i)通锟絃(f锟斤拷ng)散锟结問(w锟斤拷n)锟絵锟斤拷锟組(j锟斤拷n)锟絃(f锟斤拷ng)锟节戯拷(y锟斤拷ng)锟絚锟絣(f锟斤拷)電機(j锟斤拷)锟組锟斤拷锟斤拷锟絃(f锟斤拷ng)锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷同一直锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟絃(f锟斤拷ng)锟节戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷片式锟斤拷聲锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟絃(f锟斤拷ng)锟节夛拷锟斤拷锟絧失锟斤拷锟斤拷锟斤拷锟絊锟斤拷锟斤拷之锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷使锟紺(j锟斤拷)锟斤拷?j锟斤拷)?n锟斤拷i)锟組(j锟斤拷n)锟斤拷锟絃(f锟斤拷ng)锟斤拷锟斤拷然锟絖(d锟斤拷)锟斤拷平锟斤拷锟斤拷通锟絃(f锟斤拷ng)散锟斤拷效锟斤拷锟斤拷锟紷锟斤拷

锟斤拷锟斤拷(3)锟斤拷聲處锟斤拷锟斤拷锟紺(j锟斤拷)锟斤拷?j锟斤拷)?n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷鍌�(g锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟铰曁庯拷锟�锟斤拷锟斤拷锟斤拷(j锟斤拷)锟絣(f锟斤拷)電機(j锟斤拷)锟組锟斤拷锟絣锟絍锟斤拷锟皆诧拷锟矫达拷锟阶板共锟斤拷锟斤拷聲锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷

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锟斤拷锟斤拷(5)锟紺(j锟斤拷)锟組锟斤拷锟斤拷锟斤拷锟絣(f锟斤拷)電機(j锟斤拷)锟組锟斤拷锟絙前锟斤拷锟斤拷(y锟斤拷ng)锟斤拷(y锟斤拷n)锟今按廠锟斤拷锟结供锟斤拷锟斤拷锟絇(gu锟斤拷n)锟結锟斤拷锟組(j锟斤拷n)锟叫革拷锟斤拷處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷山Y(ji锟斤拷)锟斤拷(g锟斤拷u)聲锟斤拷锟絟(yu锟斤拷n)锟斤拷锟絰锟斤拷锟斤拷锟斤拷锟斤拷锟节傦拷锟斤拷锟叫诧拷锟斤拷锟斤拷锟秸氾拷聲锟斤拷锟給(w锟斤拷)锟斤拷使锟絊锟斤拷锟斤拷 聲锟斤拷(j锟斤拷)锟絖(d锟斤拷)锟斤拷(bi锟斤拷o)锟斤拷锟斤拷(du锟斤拷)锟津超橈拷(bi锟斤拷o)锟斤拷要锟斤拷锟斤拷锟斤拷锟侥現(xi锟斤拷n)锟叫發(f锟斤拷)電機(j锟斤拷)锟組锟斤拷锟斤拷須岋拷(sh锟斤拷)锟統(c锟斤拷)锟紺(j锟斤拷)锟組锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟絫锟斤拷要锟斤拷(du锟斤拷)锟絣(f锟斤拷)電機(j锟斤拷)锟組锟組(j锟斤拷n)锟叫革拷锟斤拷處锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟较撅拷锟角诧拷锟酵發(f锟斤拷)電機(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷拇锟绞╋拷锟�