By trial of fully mechanized caving in relatively thinner thick coal seam in Y. J. L. coal Mine, the problems in mining are raised and the ways to increase its unit production are discussed.
Starting with the importance of battery plate, plate material selection and its thickness, it analyzes briefly the plate characteristics, composition and influence on charging and discharging.
Starting with the importance of battery plate, plate material selection and its thickness, it analyzed briefly the plate characteristics, composition and influence on charging and discharging.
Starting with the importance of battery plate, plate material selection and its thickness, it analyzed briefly the plate characteristics, composition and influence on charging and discharging.