活性成色剂化学作用后，引发颜色的色剂。
Active coupler colouring agent to initiate the formation of colour after chemical action.
柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.
柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
Kodak company describes open chain reactive methylene two - equivalent yellow - forming conplers.
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