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Comb Perforation

1、梳式齿

梳式齿 ( comb perforation ):卓别林是在圣诞节去世的。dec 25,2007平安过了一夜,在吃昨晚剩的蛋~dec 25,2007关于"分齿"最后还得说说"齿孔状态(pe.

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