c - bd
C - bd
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。
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