This week, the main agricultural activities in parts of South China, sugar cane, autumn corn, autumn soybeans, sweet potatoes and other harvest, citrus, banana and other fruit picking in parts of southern China; vegetable, potato, fresh corn, etc. in parts of southern China. In the fiel…
The development trend of inverters for machine tools is as follows: First, high performance. At present, basically all inverters require vector mastering mode, and a small number of different levels of mastering structures and algorithms appear. It is worth noting that speed sensorless vect…
At present, winter wheat in the northern part of Huaibei has entered the wintering period and basically stopped growing. In other areas, wheat is still growing slowly. Southern rapeseed is in a slow growth phase in winter.
The drought in the north and south of Huaihuai area continue…
Merchants
"These people must be a group." On December 22, Zhang, a business owner of the Pearl Market, told about the deception. One day in mid-November, a man went to the door to sell electronic fingerprint locks. After the "salesman" repeatedly…