NB/T 47065.1  支座 BⅠ 600306f/ф▓406

WN 250-150 RF Sch40S

bi600306f/ф▓406

WN65-16RF

PJ/SE 80(B)-10 RF S=3

WN50-63RJ603IIv5SC�5 R

SO 15(B)-16 RF00 h-1B/20 K=120050RFFnCH4FRFsc0S5RFf16

JWN 40×80(B)-16 RF S=4

5 RF 1900-0.6 δ0=10

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TPB-1/7FRF ⅡRa