国内熟妇人妻色无码视频在线,人妻丰满熟妞AV无码区,国内熟妇人妻色在线视频

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    PEȼ

    £2019-03-24 10:29:07c
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    aƷB

    hh PEȼ

    hh PEȼ

    ȼؾϩPEܵPEϩܲ͸gй©gЃēֿκõĿѼyfֿδ҇ȻܵOMS҇ij悻O͸شҎģoˮˮ̞oˮϹ܄޴ЈH˜ʴ_JPEϩܲʹÉL_50܇ЈAVṩˮϵyˮϵyȼݔ늾|ùܵIܺõͶYrֵЈǰ

    hh ؾϩPEȼܲ

    ؾϩPEȼܲ

    ȼؾϩPEܵȼϩܵT׿ԽȼݔIص׽Q䓹TFܵĸgͽ^й¶}Ķ_ȼܾWϵyİȫ\PE ȼxõPE|ԲϿͶNW|gܱĦϵСݔ늟BӿڏȸڹܲıwgPELһ㳬^500%PE ȼܾкܺõĿѼyL(SCG)ѼyUչ(RCP)ͿɓԼκ

    hh PEȼ SֱN

    hh PEȼ SֱN

    ȼؾϩPEܻܵmdzĥԏɲöN_ڷʽOطڹʩͰbϵyrSoMɴ͹̳ɱ

    ȼؾϩܲݘ˜GB/15558.1-2015ȼؾϩܲġҪMa͙z,˾aľϩ(PE)ȼܰںɷ֞:SDR11SDR17SDR21\SDR26Ăϵ

    yȼܵ䓹TFĆ}ʹڃձlĸgͽ^й¶ܶȾϩȼܵHDPEȼܣкܶ׿Խ͸g͵͜gԺ^BӰȫɿAMĽQ˂yܵĸgͽ^й©ɴy}ȼݔIõV

    hhPEȼaÌDĔz

    hhPEȼaÌDĔz

    HϰѾϩ(polythylene pipe)IJϷ֞PE32PE40PE63PE80PE100傀ȼȼܺͽoˮܵIJҪPE80PE100҇ϩܲČϛ]зּ@ʹÇȾϩȼܺͽoˮaSxԭϱ^yҲoϩܲĵʹÎ˲С[

    ȼؾϩPEܼܵgָ
        1 ˜
       hh PE ȼܹܲĈ GB 15558.1 ͬrϚWޘ˜ prEN 1555-2 H˜ ISO4437 
        2 ɫ
    hhPEȼܹܲĵɫɫĿSɫɫl
        3 ϵмҎ
    hhPEȼܹܲķSDR11SDR17.6ɷNϵSDR11ʾܲĵĹQ⏽decܲĹQںenıֵ11ͬSDR17.6ʾܲĵĹQ⏽decܲıںenıֵ17.6Ҏ񹲰D32D40D50D63D75D90D110D125D140D160D180D200D250D315D355D400ʮ߷N
        4 L
    hhaֱһa 6 12 Ҳɸ͑Ҫ؛ ⏽С 63mm Ĺܲ߀ԱPLȿɞ 50  100 150 Ҳɸ͑Ҫ؛
     
    ؾϩPEȼܲ
        ȼؾϩPEܵИ˜ʣGB 15558.1-2003
        ȼPEܲǂyFܲϩȼēQaƷ
        ȼܱ횳һĉͨҪx÷Cе^õPE֬HDPE֬LDPE֬쏊ȵ͉Բͼӹrߴ緀ԲBymoˮܵIJlָ^LDPE؄eLLDPE֬ѳɞȼܵijòLDPELLDPE ֬ճСԺ׼ӹwָx񷶇Ҳ^ͨMI0.3-3g/10min֮g

        ݔȻҺʯͺ˹úrOӋڹܵSS±Ҏ

        ȼؾϩPEܵʩҪ
        ȼPEܾ߂Scҹ˾Ȼ¹ܾWķOfܾWĸдPE^PEʩeһЩgʩʩˆTҲԭʩPE׃FڵϲgʩPE

        1ϲۣҹ˾ĿǰԴȻ˜ϲ_Ҫƺ¶ڻQr횺Էܵ³ɷ·eˮϲ۵ˮʜyOӋҪ󷽿¹

        2PEܵBӣBӲßBӺBӣ
        1BӣBǰBӹ߼ӟăɂӟϵÝԷӰ푟Чʺͽ^|BӕrļӟrgӟضsrgϹܼܲaSҵҎsgƄӺʩtʹ߀]_͉ȵĽ^γɾ͹Ӱ푽^܉ӃɶҪNʹɶĴֱӺCe߅t|epȜp

        2BӣBӕrC۹B_ͨͨ늕rgOÑҪ۳вҪ󝍃N㊃ɶ洹ֱӺҪõγʹëӽ|ܵǰҪ־òLλCLCBeBӽ^|

        BͬҪҪϾoܵƽ̶ݽzʹ|Ǻ

        3ȼPE܏Ⱥ̈́ț]䓹ܸܵ܇дuʯKȼӲsFfǸ¼Ӳ^¹ǰҪɳrһɳԱCܵȫ

        4IDe110ϵPEֱܻܽ_ͨɸԴrpԴxPE܌ÊAAԴͲBÿιܶ^÷m^•rֱӹܕrɲͣ÷m^BDe110ϵPE_СDe63֧ܕr۰ͨͣڹܵϰbðͨõԭ_ͨ

        ȼؾϩPEܵaƷc
        ͸gϩǶԲٔͶNW| go늻WgҪ

        й¶PEȼҪ۽BӣBӻBӣc zȦ^Cе^^Ťй¶ΣU

        õĿκЧֿκɲϵđ󽵵͹ ƉĵĿ

        gPEȼһNgԵĹܲLһ㳬^500% ܻmdzҲһN܃Ĺܵ

        ēϩēʹPEȼܿMбPڲ_ʩPEȼܵʩҪMи׃

        M۹ܼY¶ʽ늟zC˺Ӆ^ğ ЧŽ^˹ܲIJrl·ĬFͬrֱ¶ʽ늟z׳Fϻgȱҹܼȱڹ⻬ƽڰb

        õĿѼyfֿܵĿ_ָڹܵżȻl _rѼyԎװ/ٶL˲gɎʮǧ׹ܵѵĴ¹HʹδlFϩȼܵĿ_

        ʹÉL_50

        ˜}peȼ,PEȼܲaS

    ԭĵַhttps://www.wenyuanep.com/peguan/2.html

    国内熟妇人妻色无码视频在线,人妻丰满熟妞AV无码区,国内熟妇人妻色在线视频