NB/T 47065.1  支座 A 6610Rط°طںأ¢â

47065.2 A6610Rط°طںأ¢â

BL50-10RF4

HG=T20615 WN150-150RFط°آ

1 M 1000-0.6=5.EwiWl6-250

WN250(B)-63RF RJ RF nb= bb=

BL 65-25 RF28 Sch4@plb2RFRFRFfF ℓsR00-16Sfm s=6 Ⅱ60JbР-R

PL80-16 RF D=175 C=14 f

WN 300(B)-40 FM S=145RF C=4

SO 3"-150