P1 工程识图答案P2P2-1-3-1P2-1-3-2P2-1-3-3P3P4-1 、2P4-3 、4P4-5 、6P5-2-1P5-2-2P5-3-1P5-3-2P6-1P6-2P7-1P7-2P8-1P8-2P8-3P8-4P9-1P9-2P10-1P10-2P10-3P11-1P11-2P11-3P13-1AP13-2AP13-3AP14-1AP14-2AP15-1P15-2P15-3P16-1P16-2P17-1P17-2P17-3P18-1P18-2P19-1P19-2P19-3P19-4P19-5P19-6P20-1P20-2P20-3P20-4P20-5P20-6P21-1P21-2P22-1P22-2P22-3P23-1P23-2P23-3P23-4P23-5P23-6P24-1P24-2P24-3P25-1P25-2P25-3P26-1P26-2P26-3P27-1P27-2P28-1P28-2P29-1P29-2P30P31-1 P31-2P31-3 P31-4P32-1P32-2P32-3
