3000# SW,ASTM

3000# SW,ASTM FLANGE SW RTJ R14 DSS,ASTM A182 ASTM VALVE BALL FB,WRENCH OP,BS-EN-17292,SW,SS,FORGED,ASTM A182 Gr.F316,TRIM AISI “3/4 in,valve gate SP female ends FB API 602 SW 1500 LB FRGD.ASTM A 105 Bolted Bonnet GA-E-60101怎么翻译啊, 英语翻译已知：BALL,C.S.,1,1BK,150#,FLG’D,Body:ASTM A216 Gr.WCB ,Ball & Trim:316,PTFE,Full Bore,API 6D,RF问：FLG’D加D是什么法兰,蝶式双板止回阀Trim304+HF,BB和Trim304,HF,BC区别已知：800#,SW,SW/SC,Body:ASTM A105,Ball & Tr 什么是ASTM? ASTM是什么? ASTM是什么意思 astm a234 ASTM D395 ASTM 是什么意思? ASTM A276, 90 ELL,SW,3000LB,A105,ASME B16. SW是什么意思 SW是什么意思? SW是什么意思? SW engineering