The article analyses the main technical difficulty in cementing small hole well and proposes the acupuncture treatments.
分析了中原油田开窗侧钻小井眼固井技术的难点，并针对性地提出了解决小井眼固井的技术措施。
Ideally, the site will be a cavity in a tree, well off the ground, with a small entrance hole facing south, and lots of room inside for brood and honey.
从理想的角度讲，新家的地点将在一棵树的内部，离地面要有一定的距离，蜂巢座北朝南，蜂巢里也要有大量可以生育并储存蜂蜜的空间。
This paper introduces the technology of broaching accurate, small deep hole and the design of broaching tool as well as its parameter's selection.
介绍用拉削加工精密小深孔的工艺方法及拉刀的设计、 参数的选择。
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