Evaluation of hydraulic filling mining method

(1) Main advantages:

(1) This mining method is not strict for the ore body, and the general ore body can be used. (From gentle slope to steeply inclined ore body; from Rongrong vein to thick ore body. The ore rock is stable from very stable to very stable, the ore body is from neat to compl.......

RFID technology show smart city beautiful blueprint

First, the smart city

Smart city is a new model of urban development based on modern information technology. The core of smart city lies in connecting the necessary elements of the city such as transportation, information and individuals to each.......