These noises resemble the sounds made by hitting two round pebbles together. 這些噪聲類(lèi)似于兩塊鵝卵石撞擊所發(fā)出的聲音。
Annoying sounds and inaudible vibrations have caused problems with some experimental wind machines. 某些實(shí)驗風(fēng)力發(fā)電機確實(shí)存在著(zhù)噪聲和無(wú)聲振動(dòng)問(wèn)題。
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電信業(yè)務(wù)許可證編號：滬B2-20190700
