ash constituentash contentash specificationcrozzle灰: ash份: portion; share高灰份: ash-rich◇高灰份煤 high-ash coal; 高灰份燃料 high-ash fuel不含灰份煤: ash free coal; ash-free coal沉积灰份: sedimentary ash下载手机词典可随时随地查词查翻译