Retaining mechanism, with a tiny stroke clearance, solves the problem of high precision machining on small pieces and blind hole pieces.
冲程间隙极小的锁紧机构更能解决短小零件及盲孔零件等高精度加工难题。
This paper presents the principle of an automatic recorder of hole water level and some methods to improve the precision. The instrument is of small size and micro-power consumption.
本文介绍了仪器硬件电路的工作原理，给出了提高测量精度的方法。该仪器体积小、功能强、功耗极少。
The clamping copper pipe structure has the beneficial effect that the precision requirement when in small-hole machining can be ensured as the copper pipe keeps a good state all the time.
本实用新型的有益效果是：由于铜管一直保持良好状态，从而保障了小孔加工时的精度要求。
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