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四亚乙基五胺
space tetraethylene pentamine
硬化【螯合】剂四亚乙基五胺
oil, chem. tetraethylenepentamine
四-1,2-亚乙基五胺
plast. tetraethylene pentamine
四 亚乙基五胺
: 1 phrase in 1 subject
Chemistry1