河北福彩20选5开奖结果查询

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    河北福彩20选5开奖结果查询SHOUJI:13861702285

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封头
产品名称:

封头

产品型号: 蛟龙号深潜器封头
产品简介:

  封头是容器的一个部件根据几何形状的不同,可分为球形、椭圆形、碟形、球冠型、锥壳和平盖等几种,其中球形 、椭圆形、碟形、球冠型封头又统称为凸型封头。运用于各种容器设备,如储罐、换热器、塔、反应釜、锅炉和分离设备等。

河北福彩20选5开奖结果查询   FENGTOUMOJUJIAGONGDETEDIAN

  (1)CAILIAODEYINGBIANZHUANGTAI

  DUIYUBUBIANBOXUANYA,MAOPIZAIMOXINDEYUANZHOUFANGXIANGSHANGCHANSHENGYASUOBIANXING,ZHOUXIANGCHANSHENGLASHENBIANXING,YINCI,BANHOUJIBENBUBIAN。QIBIANXINGZHUANGKUANGYUYUANTONGXINGJIANLASHENZHONGFALANBIANXINGYOUXIELEISI,TONGCHANGBEIKANZUOCHUYUPINGMIANYINGBIANZHUANGTAI。DANXUANYAYUPUTONGLASHENBUTONG,XUANYACHENGXINGSHI,GANBANGYUBANPIZHIJIANJIBENSHIDIANJIECHU,BANLIAOZAIGANBANGZHANYAZUOYONGXIACHANSHENGLIANGZHONGBIANXING,YIZHONGSHIGANBANGZHIJIEJIECHUDECAILIAOCHANSHENGJUBUSUXINGBIANXING;LINGYIZHONGSHICAILIAOYANZHEGANBANGJIAYADEFANGXIANGXINGCHENGDAOFUYIDONG。

  BIANBOXUANYAZEBUTONG,SUIZHEXUANLUNDEZHOUXIANGGANYA,BANLIAOCHANSHENGLESANXIANGYINGBIAN。JIZAIZHOUXIANGHEZHOUXIANGJUNCHANSHENGLAYINGBIAN,ERBANHOUFANGXIANGSHANGZEFASHENGYASUOBIANXING。

  (2)XUANYAGUOCHENGDEBIANXINGBULIANXU

河北福彩20选5开奖结果查询   FENGTOUMOJUZAIXUANYAJIAGONGGUOCHENGZHONG,MOXINMEIXUANZHUANYIZHOU,BIANXINGQUMEIYIZHIDIANZHIBIANXINGYICI,XIANGDANGYUMOXINXUANZHUANYIZHOUJIAZAIYICI,TONGSHIYEFASHENGYICIXIEZAI,SHUYUDIANXINGDEZHUDIANBIANXING。ZHEIZHONGJINGLIJIAZAI、XIEZAIDEBULIANXUBIANXING,YOULIYUBIANXINGKUOSAN,CONGERCHANSHENGJIAODABIANXING。

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发布时间 : 2017/8/26 0:00:00