shellac bleached 中文意思是什麼
shellac bleached
解釋
白蟲膠-
Specification for lac and shellac - bleached lac
蟲膠和紫膠片規范.第3部分:漂白蟲膠 -
Shellac varnishes and bleached shellac varnishes
蟲膠清漆和漂白蟲膠清漆
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