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取一枚大垫圈,一边锯去,另一边向下弯90°,紧贴在六角螺栓的头部的一个侧面上,这样就组成了一枚应急的T形槽螺栓,
Take a large washer, while sawing the other side of the downward bend 90 °, close to the head of a hexagonal bolt on the side, thus forming an emergency T-slot bolts,