ԸeW(wng)|ĸ߅·o(h)eW(wng)|ʯƽں¼Ӵ֮ϣԼs±M(jn)мқ_ˢ?q)ʯĸeW(wng)|χвѵĝ{Ķ߅·o(h)ĻA(ch)Ҳ˺ܺõB(ti)G
ᘌ(du)ͬ߅·o(h)ʩh(hun)ˮИI(y)꼾ʩro(h)krΣ꼾eW(wng)|ʩʩҪeW(wng)YϞ鮐νğ\̼䓽zͿ֬o(h)Ĥ z|(zh)бҪ GB\T700-1988 Ҏ(gu)Ҏ(gu)t\бҪ GB\T15393-1994 е 3.2 l 3.3 lҎ(gu)t
eW(wng)бҪɌÙC(j)еɵğ\̼䓽zeW(wng)Ƭƴbɣ C(wn)ԺͿeW(wng)ƬW(wng)бҪ׃ΣW(wng)`(yng)СҎ(gu) 5%.eW(wng)ƬĿ(qing)ȼP(gun)W(xu)Ŀ(bio)gбҪ_(d)Ҏ(gu)Ҫ