DB12/T 687-2016 Ҏ(gu)uh(hun)O(jin)yg(sh)Ҏ(gu)
DB12/T 687-2016 Ҏ(gu)uh(hun)O(jin)yg(sh)Ҏ(gu)
(bio)(zhn)Ҏ(gu)Ҏ(gu)uh(hun)O(jin)yYռO(jin)yc(din)ƷɼƷƷzyļg(sh)Ҫ
(bio)(zhn)mҎ(gu)uĭh(hun)O(jin)y
(bio)(zhn)ԾW(wng)ѷֻʳƷg(sh)ͬеĽW(xu)(x)֮Ո?jin)d24Сr(ni)hʹՈُIʽ(bio)(zhn)