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门式与桥式起重机是一种固定在跨间进行物料的装卸与搬运的特种设备,其在车间、工地上发挥了重要的作用。为了保证门式与桥式起重机的安全运行,应重视对其电气保护系统进行检验。
Gantry and overhead crane is a kind of special equipment which is fixed in the process of loading, unloading and carrying materials across the span. It plays an important role in the workshop and construction site. In order to ensure the safe operation of portal and overhead crane, it should pay attention to its electrical protection system for testing.