4-10(B)        4-11(A.B)      4-12(A.B.C.D)

4-13(A.B.C)    4-14(A.C.D)    4-15(A)

4-16(D)        4-17(B)

4-18 1.(A.B.C)   2(A.D.A)

4-19(A)        4-20(A)        4-21(A.B.C.D)

4-22(B.D)      4-23(B.D)      4-24(B.C)

4-25(B.C)      4-26(C)        4-27(C)

4-28(A.B.C)    4-29(A.B.C)    4-30(C.A.D)

4-31(B.D)      4-32(B.C)      4-33(C.D)

4-34(B.A)      4-35(B.C)      4-36(B.C)

4-37(B.D)      4-38(B.D)      4-39(B.C)

4-40(A.D)      4-41(B.D)      4-42(B.C.D)

4-43(C)        4-44(A.D)      4-45(B.C)

4-46(A.C)      4-47(A.D)      4-48(A)

4-49(D.A)      4-50(A)或(C)   4-51(A.D)

4-52(B.C)      4-53(D.B)      4-54(D)

4-55(A.C.C.B)  4-56(B.D)      4-57(B.C)

4-58(B.C)      4-59(C)

4-60.1(A) 2(A) 3(B) 4(B) 5(B) 6(C) 7(C) 8(C)

4-61(A)或(C)   4-62(A)        4-63(D)

4-64(C.C)      4-65(D)        4-66(D)

4-67(B)        4-68(B)        4-69(B)

4-70(A.C)      4-71(D.D)      4-72(C)

4-73(C.B)      4-74(C)        4-75(A.B)

4-76(B.D.B.B)  4-77(D)        4-78(C.B)

4-79(A.C)      4-80(B)        4-81(A.A)

4-82(B)        4-83(B)        4-84(A)

4-85(C)        4-86(B)        4-87(D)

4-88(B.A)      4-89(B.B)      4-90(B)

4-91(B)        4-92(B.D)      4-93(B)

4-94(B)        4-95(A)        4-96(D.B)

4-97(A.C)      4-98(A)        4-99(A.C.A)

4-100(B)       4-101(D.A)     4-102(D.A)

五.接地

5-1(D)         5-2(C)