According to the fault of photoelectric rotating-speed sensor based on TB/T 2760-1999 after locomotive speedup. new technology and material utility of high-speed encoder was adopted for product integral optimized design. Collective structure and main technical specification of the optimized sensor was introduced. Experiment and batch on-board examination proved that the new product ha... https://herbsdailyes.shop/product-category/womens-multivitamins/