Intellectualization of coal mine is the technical support for high-quality development of coal industry. and robot replacement of key posts is the development trend of realizing efficient mining of coal with few people and no people. Simultaneous localization and mapping (SLAM) is one of the key technologies for autonomous movement and navigation of coal mine robots. The environment o... https://countryscenesaddleryandpetsuppliers.shop/product-category/pulling-collar-2/