cos20cos40cos100,cos20cos40cos100的值

0 rl98-125 (rl8-125) 125 63,80 100,125 ≥9.5 ≥9.
a-b空气开关1492-sp 1d100
2/10p10 0.5/10p10; 额定负荷(cosø=0.
5 1 6p jdz10-10a1 10000/100 50,60 15 30 60 150 12/42/75 同rzl
25 18/0.30 g 100/0.20 50/0.25