?去色剂

... decolorize 脱色 decolourizing agent 去色剂 decometer 台卡计 ...

[助剂]?脱色剂

...ourizer; decolourizing agent; depigmentation agent; discoloring agent; discolouring agent; discolourising agent 脱色剂；去色剂 decolorizer ..

?退色剂

... 退色法 bleaching out process 退色剂 decolourizing agent; stripping agent 退色灵 ink remover ...