Do you have two precious account segments of China Mobile, known as "Boss Account" and "Antique Account"?
Introduction: Do you have two precious account segments of China Mobile, known as "boss account" and "antique account"?Click on the Candlelight Xiangcheng avatar above to follow more exciting content about Candlelight Xiangcheng.Click on the audio below to listen to the entire content of this article...
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Why install a ball on the roof? Surprisingly, so many people don't know
Audit experts:Luo HuiqianAssociate Researcher, Institute of Physics, Chinese Academy of SciencesDo you have any friends like me? Every time I look at the scenery on the rooftop, my attention is attracted by the constantly rotating metal balls on the roof. Are everyone curious about these metal balls that frequently appear on rooftops or on the roofs of factories? What are these round and rolling guys used for, and why do they always appear on the roof?Today, let me take you all to understand the past and present lives of these little things...
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