... 安全 safety 安全认证机构 safety certification authority 安全电路 safety circuit ...
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There is a certification authority is in line with the national electrical safety standards.
有具备权威认证,是符合国家电工安全产品标准。
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The certification authority, the international forefront of technology and equipment, safety protection science.
权威认证,专业前沿技术设备,科学安全有保障。
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