boring

音标发音

Someone or something boring is so dull and uninteresting that they make people tired and impatient.
the act or process of making or enlarging a hole
the hole made in this way

镗削
Flexure type Giant magnetostrictive actuator(GMA) is a developed new actuators used for non-cylinder pin hole boring machine precision machining.
弯曲型超磁致伸缩执行器(GMA)是为应用于异形孔精密镗削加工而研制的新型执行器。
钻孔
The test methods of measuring the residual stress are often by cutting or boring which not only take more time and more work, but lead to a greater error owing to many factors.
对于厚板焊接就更需要考虑内部残余应力的大小，对于焊接残余应力，以往多是采用切割，钻孔等试验测量方法，不但费时费力，还要受到许多条件的限制，结果数据误差也会很大。
钻削
In view of boring spindle box designcharacteristic and application situation of CAD technology in the field at present, itproposes the new method of uniting object-oriented language Visual Basic, Accessdatabase and VBA being an AutoCAD secondary development tool to develop BSBES.
根据钻削类多轴箱设计的特点及目前CAD技术在多轴箱设计中的应用情况，提出了联合面向对象语言Visual Basic，Access数据库和AutoCAD的二次开发工具VBA，进行钻削类多轴箱专家系统开发的新方法。
(钻直孔所得的)土样

镗孔
This paper presented particle swarm optimization (PSO) technique to train multi layer artificial neural network for predicting model of diameter errors of boring processes.
采用粒子群算法对镗孔加工尺寸误差人工神经网络预测模型进行优化。
钻孔
镗(孔)：
镗削