Original title: Watching t…
1. The tools used must be complete, sound and reliable t…
In the past two years, it was found that most of the fires occurred because of electrical pro…
CAS Key Laboratory of Quantum Information, led by Academician Guo Guangcan of th…
Hainan Vehicle-mounted Folding-arm Lifts Life-saving Maintenance …
Pan Jianwei, a professor of China University of Science and Technology and his c…
The use of access control system in life has been gradually broadened, and different types of…
In the course of contact with farmers' friends, they often heard such sighs:…
[ China Agricultural Machinery Industry News ] On November 5th, Vice Minister …
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The investigation of pests and diseases in the wild is not as conve…
In summer and winter, windshields are prone to problems such as blurred mirrors or mirror…