Mr. Bai went to T2-10F to open the inbound water switch of the guest toilet and close the hot water switch of the fresh water heater of the guest toilet for observation and testing.
Mr. Bai went to T2-10F to open back to the passenger toilet to water and close the hot water gate of the passenger toilet water stove for observation and testing.
Mr. Bai opens the water switch to the passenger toilet at t2-10f and closes the hot water switch of the water heater of the guest toilet for observation and test.<br>