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氯苯、溴苯和苯硫酚化合物的谱带出现于低限附近。
In compounds such as chorobenzene, brmobenzene and thiophenol the band lies close to the lower limit .
youdao
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氯苯、溴苯和苯硫酚化合物的谱带出现于低限附近。
In compounds such as chorobenzene, brmobenzene and thiophenol the band lies close to the lower limit .
youdao