The color of material rosin was the one of key factors of affecting color of rosin esters.
控制原料的颜色也是制得无色松香酯的关键之一。
Fashion contracted design not make public all show low-key, possesses mysterious attractive water product material, the elegant color and colorful luster, is the world's precious.
时尚简约的设计不张扬尽显低调，赋有神秘吸引力的水品材质，高雅的色彩以及缤纷的光泽，备受世人的珍贵。
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