弯头 DN 300-Sch40180ESF Sf1=F90016.

DN 300-Sch40 180ESF Sf1=F90016.

SO 32-10 RF

BL50-300 RF d=

wn25-150 rf a=34

47023 M550-1.6/

SO 150-16 RFF/40/60-150RF/

WN80(B)-2500RJrm S5-340b1/=1016RFG06RFs=9t206/

WN250(A)-16 t3 .6

SO200A)-40 RF

TH40-25RF/0rf1001æ—&ampampampampampampn