常見例句雙語例句The unique perimeter seal on the lower 140 degrees of the seat minimizes cavities that can collect bottom ash.在閥座下部140度的獨特的圓周密封設(shè)計結(jié)構(gòu)最大限度減少可能淤積底灰的洞隙。Experimental results identified that fluorine in coal belong to volatile elements, fluorine in fly ash and bottom ash were non rich.結(jié)果表明：煤中氟屬于強揮發(fā)性元素，在煤灰中是非濃集的。Like definitions of fly ash ratio and bottom ash ratio, ash circulating ratio should be based on the amount of ash to furnace (including limestone).它與飛灰份額、底灰份額的定義一樣，都應(yīng)以入爐灰量（含石灰石帶入灰量）為基準(zhǔn)。權(quán)威例句That equates to the production of 140 million tons of coal in the form of fly ash, bottom ash, scrubber sludge and boiler slag.FORBES: Obama May Soften Proposed Crackdown On Coal Ash Disposal 返回 bottom ash