GB/T 12459  异径三通 DN 1000×1000×20-Sch160TR

DN 1000×1000×20-Sch160 TR

BL 80-150 FFrj&0RF6b=950x-rf1)0-3 b=46 RFأmpamp

WN40-150 RF B=38RF600-1

2 G 400-1.020δ1=12RF S

WN125-160fm-w

bi900/A 10000 M S=10/

SO20-16M/65/ampampampquothtml RF0 r╩�120/--4m1./

PL100(A)-16RF1020/f0 RF S=

3 FM 2000