By using the model of two similar equipments which have local same parts,Creat an index model for the assessment of the reliability,Then give a model parameter estimation method.

The controllers with Chinese displaying functions in automatic fire fighting systems can display the facility type and status definitely.

This text has explained the air blower and the pump apparatus realizes the necessity operated in energy-conservation,and to the air blower, the pump apparatus realizes the way operated in energy conservation,technological measures that should be taken and questions that should be noticed have carried or elementary analysis and discussion.