HG/T 20592  法兰 PL 700-2.5 RF1001ГҰвҖ”&ampampampampampamp

pl700(a)-2.5rf1001ГҰвҖ”&ampampampampampamp

SO 100(B)-150RFS=4.52.5/82-1720-

nb=t47023 fm 600-1.6 RF Sch805rf6

47021rf450-0.60615rfrfhe50 RF Sch40-16 RF

1 RF 900-1.0 RF0-8B/t2F C=1F0R

SO32 -40G8 K=60δ=3

47021 c-rf1000-0.6&&ampamp;