Imported high precision ball screw, the knife precision.
进口滚珠丝杠精度高，下刀精确。
Fix the centring glass ball now into the precision holder.
把定心玻璃球装到精密固定器上。
Ball screw rod imported from Germany can assure the high speed and precision.
德国滚珠丝杆精度高，精确高，速度快。
The smoke of steel ball bearing pressure such as depth limit ring precision sure.
钢球的烟如深度有轴承压限位环精度确定。
The smoke of steel ball bearing pressure such as depth limit ring precision sure.
钢球的烟如深度有轴承压限位环精度确定。
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