橱窗里放着一盘盘螺母螺钉、旧凿子、破扦刀、一眼望去就知道已经停了不走的旧手表，还有许许多多没用的废品。
In the window there were trays of nuts and bolts, worn-out chisels, penknives with broken blades, tarnished watches that did not even pretend to be in going order, and other miscellaneous rubbish.
用商用电动螺丝刀松开螺钉可能导致轴锥齿轮和螺纹盘向内移出花键，致使螺钉失效。
Loosening the screw using a commercially available electric screwdriver can cause the shaft bevel gear and threaded disc to move inwards out of the splines rendering the screw ineffective.
区别于现有的电动、气动螺丝刀工具，该螺丝刀系统在驱动螺丝时，能对螺钉头实现无轴向压力的调节。
Different from traditional electric and pneumatic screwdriver tools, this screwdriver system can adjust the screw with no axial pressure when driving screws.
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