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一、阅读材料 Safety Precautions for Milling Machine Observe the following precautions: 1. When clamping the work in place, only wrenches which properly fit the nut and bolt heads should be used, and care should be taken not to spring the work out of shape.
I. When clamping the work in place, only wrenches which properly fit the nut and bolt heads should be used, and care should be taken not to spring the work out of shape .