Globe Valve,Flange End,Face to face ANSI B16.1 Face to face 指什么?

Globe Valve,Flange End,Face to face ANSI B16.1 Face to face 指什么? Flange swing check valve globe non-return valve是什么阀门 valve globe parabolic t bb ansi b16.34 6900 single seat globe valve 的中文意思是什么? 请问什么是变送器?英文里用的阀门GLOBE VALVE .和BUTTERFLY VALVE 有什么区别? 化工图纸上GLOBE VALVE WCB/HF RF CL150 V化工图纸上GLOBE VALVE WCB/HF RF CL150 VSFA1B04是什么意思 Globe Valve是什么阀门? 如果是球心阀的话, Ball Valve又是什么? 内部结构有什么区别? globe valve -- ASTM A-216 WCB,F6 trim,OS&Y,BB GLOBE VALVE;S25C;13CrHF;BB OS&Y;SW;CL800 有关阀门的翻译,. valve 球阀的区别,ball valve 和globe valve作为球阀 这两种不同的名称 所代表的阀门有什么不同 BELLOWS SEAL GLOBE VALVE;SCPH2;13Cr;BB OS&Y;FLGD-RF;JIS 10K阀门方面的翻译,. weld globe valve that has attached to i need butt weld globe valve that has attached to hubsupplier will take a standard butt weld end valve and they will attach the hub ends that you specify by welding关于截止阀的 阀门翻译globe valve din cast steel 398flanged ends acc. to din pn10/16这两句中的din什么意思,感觉好像没意思就是个词气词一样 vent flange spool flange , 麻烦帮我翻译下面蝶阀规格及要求VALVE BUTTERFLY SIZE: 2 INCH, BODY MATERIAL: DUCTILE IRONDISC MATERIAL: MONEL, END STYLE :FLANGE RFRATING :200 LB, FACE TO FACE: 50 MMPCD: 120 MM, NUMBER OF HOLES: 4HOLE DIAMETER: 14MM, FLANGE OD: 150MMSEA