基本解释[纺] 防染剂英汉例句双语例句By using several chemicals as an air-regulating agent, a new method for fresh-reserving of litchi in small packing bags is studied in the present paper.本文使用一种小包装气调法和自制的一系列复合气调剂，对荔枝保鲜作试验研究。reserving agent更多例句词组短语短语water -reserving agent 保水剂reserving agent更多词组专业释义纺织科学技术防染剂