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[ Huaqiang Security Network News ] According to statistics, the front-end equipment of the monitoring system of the Expo site now uses more than 300 HD channels. The storage and storage method of video recording files adopts the method of external IPSAN of the DVR. The storage -----
Mastering certain car maintenance knowledge is the basic skill of the car owner. In daily life, we will find that, as the driving age is extended, everyone's understanding of car maintenance will be deepened, and many problems can be discovered in time. solve. Mastering certain car maintenanc-----
With the continuous innovation of technology, the concept of lightweight car has become more and more intense under the current trend of energy saving and emission reduction. In addition to carbon fiber that can effectively reduce weight, cheaper plastics are slowly replacing the previous metal part-----
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Optical Transceiver Common Faults 1 Power light is off Power failure. 2Link light is off The fault may have the following conditions: (a) Check if the optical fiber line is open circuited; (b) Check whether the loss of the optical fiber line is too large and exceeds the receiving range of the eq-----
Foshan Shunde Mengjiamei Furniture Co., Ltd., founded in 2003, has a 13-year history. Its three major brands: Mengjiamei, Oxygen Park, and Maomai are a collection of R&D, production and sales. An integrated professional mattress, soft bed and bedding manufacturing enterp-----