Problems and countermeasures of wireline coring drilling in "walk" formation in a uranium mine in Guangxi are introduced with type selection test for diamond drilling bit.

通过绳索取心钻进金刚石钻头选型试验，介绍了广西资源县向阳坪铀矿区“打滑”地层中绳索取心钻进存在的问题及采取的技术措施。

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The structure and operating principles, technical data , test records, type selection and demands in installation , and actual application of German Q series quantometers are described.

介绍德国Q系列燃气表的结构及工作原理、技术数据、试验记录、选型与施工要求、实际应用。

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I. computer software was under central management of computer technical center. The scope covers application and approval, type selection, test, evaluation and filing up of the software.

第一条在公司使用的所有计算机软件由计算机技术中心集中负责管理。管理的范围包括软件报批审评、软件选型、测试程序、软件评价、软件归档。

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