例句 /

The acid hydrolysis for cellulose, which possesses deficiencies such as strict conditions, low production and environmental pollution, have been cancelled.

The acid hydrolysis for cellulose, which possesses deficiencies such as strict conditions, low production and environmental pollution, have been cancelled.

而早期水解纤维素主要采用酸水解法,但由于要求条件高,产率低,以及对环境存在污染,现已被淘汰。