1
Ҿͼ{Ӌ(j)y(c)ԇֵ²(dng)ܴ һĴ*10-100(dng)
ڵĺy(c)ԇ̖ͬ(ho)a(chn)Ʒͬ6H ͬDC500V ͬˮ20 ͬ................ (bio)(zhn)ˮУ(du)y(c)ԇһк͘(bio)(zhn)ǺˡֻDz^(gu)L(zhng)22M^(gu)Ҷ֪ Ҫy(c)1KM Dzܵ
һy(c)10Σy(c) 15 ͎Ҫуxoҵ
yӲҪ c(din)(du)c(din)60s ӛ䛅(sh) J(rn)60sһ̵ǂ(g)ӛ @M](mi)бˡ
r Һ۰ @(g)y(c)ԇě](mi)Ȼ֪@(g)(sh)ֵܲ(wn)߀Ҫ@(g)y(c)ԇʲô@Ϲvô
ʲôwC(j)
2
3
ˮн^϶Ҫr(sh),^Sr(sh)g,Ҫ60Sr(sh)y(c)^,һҪ60Sr(sh)ӛ,߀@(g)(sh)ֵ϶Dz(wn),?yn)϶н^(du)(wn)ĭh(hun)(li)y(c)ԇ.
4
С ڴиõĴ𰸰