1、 1 8 2017 8 130 120 1 2 2B 3 0.5mm 7 3 21 12016 12 17 A B C D 2 A B C D 3 A B C D 4 A B C D 1.1f 1.8f 0.7f 2 8 5 A B C D 0 0 0 62017 4 27 A B C D 7 A B C D 4 12 84 1 2 A 3 AB 4 3 8 93 O G N A 102 O A F L 113 N NS N 2 12 126 1s cm 1 f f 2 m/s 2s m/s 3 AB 136 2.5V 6V 1 2 S P 4 8 3 S P 0 6V L 4 P 2.5V
2、0.4A W 3 25 146 2016 6 22 8 12 H=10767m m=6250t l=94.45m d=17.9m h=8m 1.03103kg/m3 S=400cm2 g=10N/kg 1 V 2 F 159 M N E4.5V R=0.5r=0.5 Rx F 1 Pr 2 U1=1.5V F1 5 8 1610 G=100N F v m=2kg g=10N/kg 1 1s N 2 3s F P 1 4 2017 70 3 21 1 2 3 4 5 6 7 C D B A B C D 4 12 8120.283A437.5837.60 1 4 9 G 1 N 1 A 1 10
3、F 1 L 1 11 1 NS 1 1 2 12 121 1 3 210.75 1 2 3A1 131 1 1 21 31 418.75 1 2 3 25 146 1 mgF=gVF=V=6.07103m3 2 4 2 gHP=SFP=F=4.44106N 6 1 159 1 E Rx R =5.30 xR rRREIx+=00 rIPr20=Pr=0.5W 2 111xRIU=rRUEI+=11 Rx1=0.5 U1=1.5V F1 F1=600N 9 2 1 1610 1 FT3=1s 01=+mgGNT N301=F N=30N 3 4 2 3s 333tvh=33hTW=3tWP=%1003=WGh P=300W =83.3%10 1
