A.0.05~0.3 B.0.1~0.4 C.0.2~0.5 D.0.25~0.4
A.匯報(bào)時(shí)間 B.接頭完畢 C.試驗(yàn)完畢 D.施工完畢
A.0.5m B.0.9m C.1.0m D.1.5m