a(chn)ƷҪg(sh)
Y(ji)r(sh)g֮min
ʹ÷:
1.Էۄ딇C(j)аϣһˮ0.5% 1.2%m(dng)L(zhng)r(sh)g0.5 1_(d)Ͼ 2.ƷܳܳY(ji)K(yng)ĥ^YʹЧ׃
bA:
1.ۄϾb(ni)rϴÿ40kg2.ۄ(yng)AͨL(fng)ČÂ}(cng)(k)(ni)Чڞ^Чڽ(jng)zy(c)ϸԿʹ