A.圖紙目錄 B.圖紙編號(hào) C.工程總說(shuō)明 D.系統(tǒng)圖
A.BV-(3×50+2×50)SC80-FC B.YJV-(3×50+2×50)SC80-FC C.BV-(3×50+2×50)SC50-FC D.YJV-(3×50+2×50)SC50-FC
A.開(kāi)關(guān) B.天棚燈 C.自帶電源的事故照明燈 D.花燈