一个管件的描述45 ELL LR,BW,304LSS ASTM A403-WP304L-S,ASME B16.9 S-4

一个管件的描述45 ELL LR,BW,304LSS ASTM A403-WP304L-S,ASME B16.9 S-4 BLIND,CLASS150 RF,304LSS ASTM A182-F304L,ASME B16.5,GASKET F 三通 EQUAL TEE;ASME B16.9;ASTM A234GR.WPB;SMLS;BW;Sch 90 elbow welded bw s-std ss astm a403 gr.wp304 cryogenic ser 急需!管件英文翻译：EL LR Sch BW AS ASTM A234Gr WP22 ASTM A105 ASME B16. 90 ELL,SW,3000LB,A105,ASME B16. 45LR ELBOW NPT(female) CL2000 A105 ASME B16.11中cl2000 a105 astm b16.5标准与asme b16.5标准有什么区别?急 astm b16.5的法兰标准哪有? 在弯头中 45度长径弯头 1.0MP BW CL150 20+PTFE HG/T21562 ASME B16. 管道垫片的描述GASKET,CL150,RF,3.0MM THICK,RING TYPE PTFE,ASME B16.2 ELBOW+45+LR+SMLS+BW中lr是什么意思