The swelling agent was acetone.
溶胀剂为丙酮。
The factors that will influence the raising effect are mainly the swelling agent, softener and cooling.
影响人棉布砂洗起绒效果的主要因素是膨化剂、柔软剂和打冷风处理；
Some unscrupulous vendors use a swelling agent on ginger and potatoes and bleach lotus-roots with sulfur.
一些不良商贩在生姜和土豆上使用膨化剂，用硫磺熏莲藕。
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