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    編輯拼音edit jyutping

    【外】①清漆。②紫膠;蟲膠漆。紫膠蟲分泌的一種紫紅色天然樹脂。是一些多羥基羧酸和交酯的複雜混合物。主要成分為罌子桐酸和三環萜烯酸(殼腦酸和殼腦醛酸)。從樹上砍下的帶膠技條叫“梗膠”。從“梗膠”上剁下的膠塊叫“原膠”。“原膠”經溶劑法或熱濾法加工製成片狀產品叫“片膠”,即蟲膠片,北方俗稱“洋乾漆”。叻?即指蟲膠片漆。

    編輯解釋edit jyutping

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    編輯英文解釋edit jyutping


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