1、” 1( )A” B”C” D”2”“( )A-” B”C-” D”3”-”( )A” B”C D”4-( )A B C D5 ( )A BC D6”( )A”B”-”C”1kHz D”7” ( )A BC D8”- ” -( )A BC D9( )A- BC D10”( )A BC- D11”( )A15s60s B30s60sC15s30s D45s60s12 ( )A” B”C” D13”( )A10% B50% C70% D90%14” ”( )A4% B0.4% C40% D80%15” -”( )A1.3 B3 C0.3 D216”( )A010A B1020AC20100A D1
2、00200A17” ”( )-”A220V B380VC10kV D1020kV18”-”( )A” BC D”1910kV”( )A1kV B10kV C30kV D50kV20”( )A45min B1hC10h D24h21” ”( )A1% B10% C80% D100%22”“ U WvUVw-”U Vv”“ ( )A1 B6C11 D023QSI”“”( )A- BC D24” ( )A10%20% B40%50%C40%70% D50%80%25”( )AA BCCB DA26” ( )A BC D”27”-”( )”A BC- D28”( )A2ram B10mmC20mm D
3、100mm29-” ”-( )A15min B30minC1h D24h30-( )A0.1MPa B10-2PaC0.1MPa D10-2Pa31” ( )A72h B36h C24h D12h32- ( )A24h B12h C8h D2h33- ( )ABCD34- ( )A B C D 35-( )A”/B/C/D/”36 QC ( )A BC D37QC ( )A BCKJ D-38QC( )A B C “D” 39 ( )A B CD 40- ( )A BC D41 ( )A1 B0.5 C0 D42-10Y“ 1V/div4 ”( )A40V B28.2V C14.1V D28.
4、2V43- ”( )A- B-C-”D44-”“-( )A”B”C”D”45-( )A-“BC“ -D-”46“”( )“A80% B100%C120% D47”( )A”2.5B”2.5C”D”1”-”( )A B C D2( )AB”-CD“3”( )A” BRL”-C” D”4PWM( )A BC D5-” ( )A” B”C” D6” ( )A BC- D“/“7 ( )A BC D8“( )A B C” D 9-( )A B C ” D 10”-( )A” B”C” D11( )A BC D12”( )A”B”CD”13-”( )A BC D”-”14”( )A ”B ”C D “1
5、5” ( )A”BCD 16- -( )A -B”-C-D -17”-( )A”B“”1.5mm2”30C”1mm2D”1.5mm218( )A BC D”19( )A BC D20”“ ”( )A”B”C” ”D”-”21”( )A B“C D22- ( )A B-C” D”23-( )A”B-CD”24-”( )A-”B”70%C”80%D”70%100%-” -25 ”( )ABCD26”( )-A” B”-C” D”27”( )A”- B”C- D28“” ( )A“ B“-C D”-29“”“ ( )A B“C D” 30”-”( )A BCD31”( )A B-C-D32 ” ( )A B” “C D “33 ” ( )AB “CD34”( )A BC D” 35-”( )A- B“C” D”36-( )ABC”D”37”( )-A” B-C” D38-( )A“B”C”D”“-39”“- ( )A B CEX D ”-40 ( )A B”CD 41 ( )A”B” “ C” D42“( )ABC“-D ”-43-( )A B”
