弯头 DN 127-Sch16090E3DD80

DN 127-Sch160 90E3DD80

3FM1700-1.6/90

LWN80-300RF/Sch40S49.1PL10(B)-10RF70

WN 250(B)-63 RJpampnbspthread-createF

法兰盖BL400-150RF/

LWN40-150 RF Sch40 H=30400-/

BL250-150RJ/

WN150(B)-150Rj/

5 RF 2550-1.6 δ0=12.700-2.5ƒ

PL80B-10RF B=89

so15-16rf�