Through the authority of institutions to test, with an average energy saving of up to 20% lower cost for customers.

通过权威机构测试，平均节能可达20%，为客户降低使用成本。

youdao

Through the authority of institutions to test, with an average energy saving of up to 20% lower cost for customers.

通过权威机构测试，平均节能可达20%，为客户降低使用成本。

youdao