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1.临时性办法 问题:在修理时突然需要扳手,正巧工具箱内没有,怎么办呢? 办法:做一把应急活动扳手(如图1所示)。取一根全螺纹的螺杆和两个螺母,在螺杆上调整两螺母的距离,使其适合螺栓头尺寸。
1. Provisional Measures Problem: A wrench suddenly needs to be repaired. If it does not exist in the toolbox, what should I do? Solution: Make an emergency wrench (as shown in Figure 1). Take a fully threaded screw and two nuts on the screw to adjust the distance between the two nuts to fit the bolt head size.