ðȫ ǰ֣
1
˜Ҏ˽÷º(jin)Q(chng)Įa(chn)Ʒ(li)g(sh)ҪԇzҎt־a(chn)Ʒʹf(shu)(sh)b\ݔAҪ
˜mڹI(y)cý
2 ؘ
И˜ėlͨ^(gu)ڱ˜öɞ鱾˜ʵėl˜ʳr(sh)ʾ汾ЧИ˜ʶ(hu )ӆʹñ˜ʵĸ̽ӑʹИ˜^°汾Ŀ
GB/T 1216-1985 ⏽ǧֳߣneq ISO 3611:1978)
GB/T 2680-1994 Ҋ(jin)̫(yng)ֱ̫(yng)ܿ⾀(xin)ȼP(gun)Ĝy(neq ISO 9050:1990)
GB 4871-1995 ͨƽ岣
GB/T 5137. 3-199