How to maintain the punching machine for zinc steel guardrail?
2021-06-18
How to maintain the punching machine for zinc steel guardrail? How to maintain the punching machine for zinc steel guardrail? For the maintenance of punching holes, the following explanations are given: First, daily maintenance should be done well, the surface should be clean, and there should be no sundries on the machine body. Second, when starting the motor, always observe whether it is displaced or different
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