A.10d B.11d C.12d D.13d
A.起點(diǎn)節(jié)點(diǎn) B.中間節(jié)點(diǎn) C.終點(diǎn)節(jié)點(diǎn) D.所有節(jié)點(diǎn)
A.施工圖 B.現(xiàn)場水文地質(zhì)情況 C.預(yù)算文件 D.項(xiàng)目可行性研究