GB/T 12459  弯头 DN 100-Sch80S180ES

DN 100-Sch80S 180ES

WN100-25rf R-40

WN 600(B)-16 RFrf

n1so100-150rf/p@b0F

pl100(b)-10rfM311500ht6�j@5@h80m0070217.5 RJj@5@ rfu00c�4R

WN40-1500 fm Sc

WN40-300RFASME1-60

WN500(a)-16RF01R

SP-9 δ5RFch4

so100-16rf50-1=16 hg/h5.0200rM S=�²¤èf1=516R