基本解释[紡] 防染劑英汉例句雙語例句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.本文使用一種小包裝氣調法和自制的一系列複郃氣調劑，對荔枝保鮮作試騐研究。reserving agent更多例句词组短语短語water -reserving agent 保水劑reserving agent更多词组专业释义紡織科學技術防染劑