Oil shale ash, an inorganic byproduct of burning oil shale and retored shale, has a potential use, such as building material, chemical filling material, adsorbent, etc.是什么意思_Oil shale ash, an inorganic byproduct of burning oil shale and retored shale, has a potential use, such as building material, chemical filling material, adsorbent, etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句