At the end of the second week, my skin erupted in pimples.第二周周末，我的皮肤上突然出现了丘疹。...spots and pimples...斑点和丘疹Never squeeze blackheads, spots or pimples.千万不要挤黑头、小肿块或粉刺。His face has now broken out in pimples.他脸上突然起了丘疹.His face...
多元醇酸树脂通常用其它树脂改性以获得特殊的特性.Alkyd resins are often modified with other resins to obtain specific properties.这种醇酸是氨基树脂在烘烤时交联而成.The alkyd is cross - linked by the amino resin during baking.高光泽, 高膜厚, 速乾, 硬度, 与醇酸树脂相容性.High gloss...