NB/T 47023  法兰 C-FM 1600-1 a/5

3 cfm1600-1 a/5

47023 t600-1 so-

WN40-300 RF PN503HG

2 RF 600-1.070ampampa

BL 2"-300 LFMï؟½

PL 250(B)-10 RFwp-cFMRF66

2 RF 900-2.520Г JS SfR95

WN40-25RF أ¯طں

LJ 3"-150 FFch40S0пҝҪпҝҪВ  ff bcF M0-1@RF5 RJ-R

BL80-150 RF Sch40