GB/T 12459  弯头 DN 32-890EL=87FS10R@R4Sc2@RF@Rjc5 RJb=5 RJf/@40@ Sch160c2@RF@443RFpï�

DN 32-8 90EL=87FS10R@R4Sc2@RF@Rjc5 RJb=5 RJf/@40@ Sch160c2@RF@443RFpï�

LWN 1"-300 RFJS1059-5 RJ

WN48B-40M500rf0@t.5 RJ40RF@.5

so400-150RF�JsRF@F8

4 B55

WN 8"-150 RF S=2.77

WN 4"-150 RF @

PL 15()-10 RF

DN25-PN10 SOF5 RJfFp

PL125(B