HG/T 21574  吊耳 SP-80

SP-8060s=3.5S=60ni10m=4 B

HP-4.5600CHl80(b1146-f8RF(B)00-160NFF0/f92s6+Sch300m0(BC RF 1

2 CT 1800-0.252030/c

SO 125(B)-16 RF

47023 rf1700-1

PL125(B)-16 RF

DN125-PN10 PL RF I

BL 4"-150 RF

DN125-PN10 PL RF Ⅱ

SO 50(B)-10 RFF5FS023 C-FM 7schm2.550