12bet sports betting

Emulsion pump is used in coal 12bet sports betting face，Provide emulsion for hydraulic supports，The working principle relies on the rotation of the crankshaft to drive the piston to reciprocate，Realize liquid suction and discharge。Hydraulic supports are used to support the roof，Provide a certain space for the shearer when 12bet sports betting coal，Prevent roof collapse，The emulsion consists of 95% water and 5% oil，The hydraulic support is telescopically supported by the hydraulic cylinder。