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ask2138671119
丨Lv 2
雨水管道外径尺寸如下:1、¢300:管壁单面0.03,管壁接口单面0.05,内空单面0.15,外径:(0.03+0.05+0.15)×2=0.46m,管长:1米2、¢400:管壁单面0.04,管壁接口单面0.05,内空单面0.2,外径:(0.04+0.05+0.2)×2=0.58m,管长:1米3、¢600:管壁单面0.06,管壁接口单面0.08,内空单面0.3,外径:(0.06+0.08+0.3)×2=0.88m,管长:1米4、¢800:管壁单面0.08,管壁接口单面0.10,内空单面0.4,管长:2米,外径:(0.08+0.10+0.4)×2=1.16m