\
CN
EH
UR
DE
˾(jin)
I(y)Y|(zh)
N(xio)۾W(wng)j(lu)
(lin)ϵ҂
Һٽ^
(dng)ٽ^
P䓿ٽ^
߉ϵ
䓹ܼ
ܛ
P䓹ܽ^ϵ
䓏Sϵпٽ^
p@|Ƭϵ
ց(li)Ӷƽ^ӈDR
ˢܷ
g(sh)֧
a(chn)Ʒҕl
˾(dng)B(ti)
ИI(y)YӍ
a(chn)Ʒչʾ
(dng)^
oʽԄ(dng)ٽ^P304
ʽͨܽ^JB/T972-1977)
ʽֱͨܽ^wJB/T984-1977)
ʽqӹܽ^JB/T978-1977)
ʽֱͨܽ^wJB/T988-1977)
ʽֱǹܽ^JB/T971-1977)
ʽֱͨܽ^JB/T970-1977)
ʽͨܽ^GB/T3745.1-1983)
ʽFݼyֱǽ^wGB/T3739.2-1983)
ʽֱͨܽ^GB/T3737.1-1983)
Fܷ⺸ʽֱǹܽ^JB/T6383.2-1992)
Pë
CJ6_(ki)]ʽҺٽ^FSO(sh)ã
CJ8_(ki)]ʽҺٽ^FSO(sh)ã
(y) һ(y) һ(y) β(y) (y)Σ4/6(y) 83lӛ D(zhun)(y)