㽭ںӵeW(wng)ϵ㽭ӵCι̵һcOĿ֮һ
㽭ӵڸeW(wng)ʩˇ:žλeW(wng)|1:2¡߅¡ھW(wng)ۡ˹ۡO(jin)¡¸eW(wng)V½õľW(wng)\bʯϡW(wng)w[ŽMbõĸeW(wng)|bʯϡW(wng)|w
a(j)DҪӵ10-25m깤ęnһ,ںӵ߳?q)?0-25meW(wng)ͺ½ǡ
b½Ǿ,(j)eW(wng)|230mm500mm1:2Ժӵ̞߳2m6mW(wng)
cƜʴ_¶,1:2¶ǰ,б߅()Lȡ2m,ֱ߅`,ʹü_1:2¶Ȝʴ_,ʹ^Ҫ(jng)z¶ǰǷ׃
dˮ澀߳ÿ15-20mһľ,beW(wng)rʹ
eСھC_r30-50mm,Ȼ˹*,ԱC۳ߴʴ_