Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.
芦沟矿21采区下山通过采用U型钢-锚网支护，改善了巷道支护状况，取得了明显的技术经济效益。
Methods: The mesh plug tension free hernia repair was applied to 237 senior patients of groin hernia, using Bard R Mesh & Prefix R plug offered by Bard Company in U. S. A.
方法：使用美国巴德公司生产的锥形疝环充填网塞和网状补片，对2 37例老年人腹股沟疝施行疝环充填式无张力疝修补手术。
Since Y2009, we started to develop kinds of U shape AL. Snaps & Punch card machine which is suitable for the packaging for Fruit mesh bags, Mushroom spawn bags and Fresh food packaging bags.
从2009年开始，本公司致力于研发各种包装用的铝卡扣及打卡机，产品适用于水果网袋、食用菌菌种袋、大卖场的生鲜食品包装袋等的打扎作业。
选择网格工具(U)。
选择网格工具(U)。
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