eW(wng)䑪(yng)QՈʯϵ(yng)9~25cmռ80%ϣ20%鼉(j)õʯ䉺(qing)ȑ(yng)30MPa.(jng)I(y)ٝͬDZ¶λϿɲU(qing)Ȳֵ
(yn)θW(wng)һͶMҪһͬƽͬӵĸ(ni)ͶεľW(wng)(ni)ͶϣԷֹgW(wng)Ƭ^qʯr(sh)ӭˮͱˮҪӴa(sh)Ϗ^ʯ^յСʯλɷփɌӴaMW(wng)߶ȣÿͶϺȑ(yng)ڲ30cm
ʯϵĸ߶ȿƣӑ(yng)߳W(wng)픲5~8cmˣڶӾW(wng)ϑ(yng)߳W(wng)픲3~5cmgü(j)õʯԱCw(ni)ϵ܌(sh)ʯϑ(yng)ھW(wng)Ŀij߶ʯϔ[ƽ(wn)