GB/T 12459  异径三通 DN 1200×1200×400-Sch30TRSc0Fuotsers=105

DN 1200×1200×400-Sch30 TRSc0Fuotsers=105

47065.4 A3-0=70-1am

TPB-1 δ=6 S1=6

WN50-600 RJ5.0 δ0=1B)T

BL300-300 M001200000 rj923.3.

pl500(B)-10 RF16rf=8/I

PL250B-6RF MX=N0(B-2.5rf1001æ�

wn32b-25fm s=3.50T--25

PL150-16 FF B1=165/580)--40

bl200-300