A.100,10000,50000 B.50,100000,200000 C.20,200000,100000 D.10,100000,100000
A.30° B.60° C.90°或270° D.180°
A.母板 B.過壓抑制板 C.數(shù)字輸入板 D.數(shù)字輸入/輸出板