This paper introduces 28 cases of deep boring data in south-west of Shangdong province where aquifers are rich in groundwater.
本文介绍了鲁西南地区28例富水性较好的深孔资料。
Unusually deep front to back for a small lathe the saddle carried an almost boring-table sized T-slotted cross slide fitted with a "bridge bracket" at the front.
非常深刻的前向后一小车床进行鞍几乎镗表大小的T型槽交叉幻灯片装有“桥梁支架”在前面。
The promoted design of the rolling tool used in precisely machining deep holes with an effective multiplex boring machine is introduced.
介绍了高精度深孔加工用高效复合镗滚压工具的改进设计。
In the boring process of deep holes, the insufficient rigidity of the boring rod usually influences the machining accuracy.
在镗深孔加工中，常因镗杆刚度不足而影响加工精度。
Based on the cutting experiment, the process and effect of ultrasonic vibration boring for precise deep holes by using the double-edge boring cutter are researched.
通过切削试验研究了超声激振双刃镗刀镗削深孔的过程和效果，分析了超声激振双刃镗削的切削机理，讨论了切削参数对加工表面粗糙度的影响规律。
The crossover is a usual pipeline crossing form for some deep rivers those are not able to use a boring- thrust construction method.
对于河流较深无法进行管道穿越的工程，一般采用跨越形式，而大跨度跨越工程多数采用悬索结构形式。
The authors describe design of deep raise boring equipment and the experimental study on boring technology, and make an approach to some problems occurring in the deep raise boring test.
叙述了深天井钻进设备的设计和钻进工艺的试验研究，并对深天井钻进试验中遇到的一些问题进行了探讨。
Other special nc machining equipment: main products are deep hole drilling, deep hole boring, bull boring milling equipment, horizontal drilling and milling equipment, etc.
其它专用数控加工设备：主要产品有深孔钻、深孔镗、多头镗铣设备、卧式钻铣设备等。
Product use: machining deep hole gun is applicable to stainless steel, aluminum alloy, steel, cast iron and other materials of drilling, deep hole boring of workpiece.
产品用途：适用于普通碳钢、铸铁等各种材质工件深孔镗的钻孔，镗孔，刮削滚轧加工。
The utility model belongs to the field of metal material cutting tools, especially fitting for boring processing of a small deep hole of brittle rare and precious metal material.
本实用新型属于金属材料的切削刀具领域，特别适合于脆性稀贵金属材料的小深孔套料加工。
The present invention solves the field quickly boring big, deep hole problem in industry field, and has good boring controllable performance and high accuracy;
本发 明解决工业现场快速镗削大、深孔难题，镗削可控性能好，精度高；
He hunted, too, for deep-boring grubs under the bark of the trees, and robbed the wasps of their new broods.
他也捕猎，在树干下挖掘藏在很深地里的蛴螬，从马蜂窝里抢出幼卵。
He hunted, too, for deep-boring grubs under the bark of the trees, and robbed the wasps of their new broods.
他也捕猎，在树干下挖掘藏在很深地里的蛴螬，从马蜂窝里抢出幼卵。
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