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季铵
 季铵
met. quaternary ammonium
| 纤维素
 p 纤维素
space beta cellulose
 纤维素
gen. cellulose; cellulosum; fibrin; silvalin
environ. cellulose
met. cellulose
perf. cellose
space fibrin

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季铵 jì ǎn
met. quaternary ammonium
季铵
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