Surface engineering has a wide range of functionality, the potential innovation, environ - mental protection, strong practicality and great efficiency so as to get attention all walks of industries.
表面工程具有广泛的功能性、潜在的创新性、环境的保护性、很强的实用性和巨大的增效性，因而受到各行各业的重视。
Therefore, the protector has potential prospects due to its wide range of protection, versatility, low power consumption and low price.
所以，这种保护器保护范围广，通用性强；同时，功耗小，价格便宜，很有发展前途。
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