a(chn)ƷҪg(sh)
ʹ÷:
1.ۄֱʹãҲɴˮϼ60%ˮ֝(rn)ټۄ߀ѷۄƳʹ2.ҺwֱӼƳһȵҺʹá.
bA:
1.ۄϾb(ni)rϴÿ25kgҺwôͰbͰҪֹܷl(f)ɺ2.ۄ(yng)AͨL(fng)ČÂ}(cng)(k)(ni)Чڞ꣬^(gu)Чڽ(jng)zy(c)ϸԿʹ