皇冠足球比分

    Teach you 20 tips for household energy saving and environmental protection

    Industry News2017-08-14

    1. Air-conditioning in winter, 18 degrees in summer and 26 degrees in the country, saving hundreds of millions of degrees of electricity. In winter, the air-conditioning temperature is adjusted to 18 degrees or lower, and the summer air-conditioning temperature is adjusted to 26 degrees or higher. Such a simple measure can save electricity. People sweating in the summer is good for health and can enhance metabolism ...

    Highly recommented
    99hg.com hg1717.com hg1088.com

    同乐吧

    d'>