求翻译：用刨床刨削窄长表面时具有较高的效率，它适用于中小批量生产和维修车间。刨床是用刨刀对工件的平面、沟槽或成形表面进行刨削的直线运动机床。使用刨床加工，刀具较简单，但生产率较低（加工长而窄的平面除外），因而主要用于单件，小批量生产及机修车间，在大批量生产中往往被铣床所代替。是什么意思？

Long and narrow with a planing machine planing surface with high efficiency, it is suitable for small batch production and repair shops. Planer is planing on the workpiece surface, forming surface grooves or linear motion of planing machine. Use planer processing tool is relatively simple, but produ

used when planing machine planing narrow long surface with a high efficiency, and it applies to small and medium-sized mass production and maintenance workshop. planer knives to the workpiece planing machine is used for the graphic, groove or molded surface planing the linear motion machine tool. pl

Shapes when the narrow long surface with the mechanical slicer has the high efficiency, it is suitable in the small batch production and services the workshop.The mechanical slicer is with the planing tool to the work piece plane, the trench or the formed surface carries on shaping the translation e

Planer gouging narrow surface has a high efficiency, it is suitable for small batch production and maintenance workshop. Planer is using Planer on workpiece plane, grooved or forming of linear motion of planing the surface of machine tools. Planer processing, the tool is relatively simple, but lower