a(chn)ƷҪg(sh)
Y(ji)rg֮min
ʹ÷:
1.Էۄ딇C(j)аһˮ0.5% 1.2%m(dng)Lrg0.5 1犣_(d)Ͼ 2.ƷܳܳY(ji)K(yng)ĥ^YʹãЧ׃
bA:
1.ۄϾb(ni)rϴÿ40kg2.ۄ(yng)AͨL(fng)ČÂ}(ni)Чڞ꣬^Чڽ(jng)zyϸԿʹ