45LR ELBOW NPT(female) CL2000 A105 ASME B16.11中cl2000 a105
45LR ELBOW NPT(female) CL2000 A105 ASME B16.11中cl2000 a105
ASTM A105 ASME B16.
法兰,CL150,WN/RF,STD,A105,ASME B16.
90 ELL,SW,3000LB,A105,ASME B16.
1/2“ FLANGE A105 WN RF CL150 (ASME B16.5) SCH80的每一部分含义
法兰, RTJ, WN, 1 1/2", SCH.160, CL.2500#, ASTM A105, ASME B16.
"ASME B16.5,A105,Class150.slip on ,raised face flange"是多少公斤的
ELBOW+45+LR+SMLS+BW中lr是什么意思
一个管件的描述45 ELL LR,BW,304LSS ASTM A403-WP304L-S,ASME B16.9 S-4
碳钢A105与A105N
ASTM A105 是合金钢吗
承插焊闸阀A105 D&S: