桂圆种子怎样发芽最快-xn--74qz1ep2giskb19av7r.0hy.cc

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    ʱ䣺2012-3-8 Ķ12893 ߣWebadmin

    ƽբͺűƷͺ:
    1Special request code: K-type of sulfur
       ҪţK 

    2The valve type code: Z-gate valves
       ʹţZբ   

    3Driving way code: 4-just gear transmission 5-bevel gear transmission 6-pneumatic 6 s-pneumatic with manual 7-liquid move 9-electric (the handwheel transmission is abbreviated) 9 B-explosion-proof electric
       ʽţ4ִ5ɡִ66sֶ7Һ9綯ִԣ9B綯  

    4Connection form code: 4-flange connection 6-butt weld connection
       ʽţ4ӡ6Ժ 

    5Structure form code: 3-rising stem parallel type single disc 4-rising stem parallel type double disc 7-dark bar parallel type single disc
       ṹʽţ3ƽʽբ塡4ƽʽ˫բ 7ƽʽբ 

    6Structural features code: W-no diversion hole (a diversion hole omitted) P-light-duty
       ṹصţW޵ףеʡԣP

    7Sealing material code: Y-hard alloy H-alloy steel D-ooze nitrogen steel F-increase ptfe
       ܷʴţYӲʺϽHϽ֡D֡Fǿķϩ 

    8The valve material code: C-WCB I-WC6, ZG1Cr5Mo V-WC9, ZG20CrMoV P-ZG1Cr18Ni9Ti Ps-CF8 P3-CF3 R-ZG1Cr18Ni12Mo2Ti F-LCB N-LC3 R8-CF8M R3-CF3M

       ŲϴţCWCBIWC6ZG1Cr5MoV-WC9ZG20CrMoVP-ZG1Cr18Ni9Ti Ps-CF8  P3-CF3 RZG1Cr18Ni12Mo2TiFLCBNLC3 R8-CF8M  R3-CF3M  

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