90 elbow welded bw s-std ss astm a403 gr.wp304 cryogenic service的中文意思是什么?

90 elbow welded bw s-std ss astm a403 gr.wp304 cryogenic service的中文意思是什么? 弯头“ Elbow 90- BW 90LR ELBOW sch.40,50NB SS里NB 50NB又等于多少呢? ELBOW,BW,90 DEG,LR,STD WALL,C.STL GB/T 8163-20 TO AP SPEC 4WPI-MCCW01 ELBOW+45+LR+SMLS+BW中lr是什么意思 ELBOW 90 304L SCH.20 BW LR分别代表什么意思?ELBOW 90 304L SCH.20 BW LR SIZE是12FLANGE 304L SORF #150 SIZE是12FLANGES 304L RF #150CONCENTRIC REDUCER 304L BW SIZE 8*6分别代表什么意思?两个都满意.怎么分分啊? 90DEG L/R 还有一个90DEG S/R ELBOW是啥意思 push/shoulder/elbow/edge one's way through a crowd 英语翻译30° BEND R=5ND 10''API 5L X60 Manufaturer BW 25.4mm90° ELBOW 3' WPHY 60 MSS SP 75 BW 11.13mmCONC.RED 10'4' WPHY 60 MSS SP 75 BW 22.23mm/13.5ECC.RED 4''2'' A234 WPB ASME B16.9 BW 8.56mm/8.74ELLPIT.CPI 10'' WPHY 60 MSS SP 75 BW 25.4mm ELL 英语翻译TEE,ELBOW,T Reducer,reducer,socket,clip,nipple,teflon tube,welded,bushing closed,threaded rod,anchor rod,求翻译啊求翻译~如果直接有做这些的厂家联系就好了.万能的百度啊. 液压管接头的一个选型问题,看到图纸上面写了下面这个,没看懂 56522-16-16-s elbow ,90 bulkhead 37/37 elbow my elbow是什么意思 elbow是什么意思 Me elbow elbow读音 elbow-to-elbow life?elbow-to-elbow life怎么翻译? elbow to 白巧克力的ELBOW ELBOW