NB/T 47065.1  支座 BⅠ 17000SCcRF s R

bi17000SCcRF s R

WN300-300 RF Sch400

WN150-150 RF Sch40mr

3 FF 900-4.00m FF

WN20(B)-2500RJ/80 c=/RFFs=6F160300 RF hg

BI 25030 RF0

WN 15-63 RJh/2

WN80-150RF0.0f50.5,20,hg

LWN100-600 RF-4

WN 1 1/2"-300 RF Sch40S f=20222@RFf0Sch80Sh80 f10ãsrf´=