It is necessary to further study the mechanism for ash-forming so as to remove the ash effectively and improve the color and quality of terephthalic acid product.
It is necessary to further study the mechanism for ash-forming so as to remove the ash effectively and improve the color and quality of terephthalic acid product.
认为需要进一步研究灰分形成的机理，以有效的除去灰分，改善对苯二甲酸产品的色泽和品质。