Modern centrifuge designs enable continuous over a considerable period of timeThis is achieved by which is timed to discharge the sludge at regular intervals()
A、an injection process
B、an ejection process
C、a separation process
D、a heating process
A、an injection process
B、an ejection process
C、a separation process
D、a heating process
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、a modern diesel engine;a turbine wheel B、a modem diesel engine;exhaust gases C、a compressor;an exhaust gas turbocharger D、a compressor;a turbine wheel
A、centrifugal force rotates the ball-head B、flyweight centrifugal force is balanced by spring force C、flyweight centrifugal force is balanced by hydraulic pressure D、speeder spring alone actuates the fuel control rod