光化射线;
Sensitive to actinic light rays; used with a colloid as a sensitizer for lithographic printing plate coatings. The Study of the Anti-alcoholic Ability of Photosensitive Components of High Sensitive Positive-working PS Plate
光化光引起它的感光作用。把它混和胶体,可作平版印刷的版面感光性涂料。俗称红矾。高感度阳图PS版感光剂与涂层的耐醇性
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