HG/T 20592  法兰盖 BL 100-10 RF(20)rf rf0(b

BL100-10rf(20)rf rf0(b

47023 FM 1000-1.0 未0=1

47023 c- ff1000-1.6RF00j/

3 CT 350-4.020δ0=12

AWN700-150 RF/C6-1200

DN150-PN16 BL RF Impampa

47023 FM 700-2.5/h4

so 300(b)-6 rfF

WN20B-600RFп╟б═п╡б²п╟п▓п╡п┌п╟б▌п╟п│п