求翻译：镗削是一种用刀具扩大孔或其它圆形轮廓的内径车削工艺，镗削机理与车削一样，不过他是内孔加工；切削量和切削速度均不大，其应用范围一般从半粗加工到精加工.所用刀具通常为单刃镗刀(称为镗杆)。镗孔是镗削典型的一种。 在镗削工艺系统中，镗床，工件和刀具称为弹性构件，这些弹性构件在镗削加工中发生周期性的颤动现象叫做振动。加工中振动对加工质量影响极大，会产生一系列的不利因素，总的来说，振动对镗削加工将产生下列集方面影响；是什么意思？

Boring a hole with a knife or other rounded contours to expand the diameter turning process, mechanism and turning the same boring, but he is within the Hole; cutting capacity and cutting speed are not large, and their use is generally from the semi-rough to finishing. used for single-blade knives a

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Boring is one kind expands the pocket or other circular outline inside diameter turning craft with the cutting tool, the boring mechanism and the turning are same, but he is in the hole processing; The cutting quantity and the cutting speed are not big, its application scope generally from half roug

Boring is a tool to expand inner diameter of the hole or other circular profile turning technology, turning and boring mechanism, although he was in the hole; cutting and cutting speeds are not, and their use is generally range from half-roughing to finishing. Tools are usually single-edged boring t

Boring is a tool to expand inner diameter of the hole or other circular profile turning technology, turning and boring mechanism, although he was in the hole; cutting and cutting speeds are not, and their use is generally range from half-roughing to finishing. Tools are usually single-edged boring t