test-drilling的意思|示意

On the basis of optimized vibratile drilling mono-material test, the optimized value variable parameter is selected for vibratile drilling tesl of two kinds laminated materials.

在单材料优化振动钻削实验的基础上，进行了两种叠层材料按优化值变参数的振动钻削实验。

DST (drill Stem test), a fast test for show of oil and gas while drilling.

即中途测试，是指油井在钻井过程中，对有。

It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation.

它适用于井下事故处理，也适用于钻井和取芯的中途测试。

For a long time, the subgrade project quality testing and evaluation method follows the traditional excavation inspection and drilling and sampling test techniques.

长期以来路基工程质量检测与评价方法是采用传统开挖检查和钻孔取样试验的常规技术。

Centipede seam drilling capacity is very strong, it tends to sensitive antennae and flat panels on the first hole to test the joints, rocks and through most of the land or habitat gaps.

蜈蚣钻缝能力极强，它往往以灵敏的触角和扁平的头板对缝穴进行试探，岩石和土地的缝隙大多能通过或栖息。

YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.

介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。