a(chn)Ʒ;
H44HH44YʽֹyϵЮa(chn)ƷPN420ĉDN1200ϵĿڏ(j)wܷϲһʹκι|(zh)ͺκιضȷmˮwgԽ|(zh)ʳƷƷˎƷȡ
Y(ji)(gu)(jin)D
a(chn)Ʒc(din)
1yP(gun)]٣ˮNС
2ˮƽֱܵʹb
3ͨwС
4(dng)`ܷܺ
5yг̶̡P(gun)y_С
6wY(ji)(gu)(jin)ξo^
7ʹÉL(zhng)ɿԸߡ
(zh)И(bio)(zhn)
O(sh)Ӌ(j)Ҏ(gu) GB/T 12236 BS 1868
Y(ji)(gu)L(zhng)ȣ GB/T 12221 ASME B16.10
mBӣ GB/T 9113 ASME B16.5
ԇ(yn)cz(yn)GB/T 13927 API 598 API 6D
܅(sh)
Ҫγߴ硿
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