PLC controlled soft-starting pumping system;

The mathematical models of boundary conditions for complex pumping system areset up with the use of basic theory of waterhammer and the characteristics method.

Analysis on technology and economy of coal mine drainage system;

Optimization of drainage system of extension in threatened mine by water;

Discussion on design-second-flow formula for drainage system in buildings;

In construction of the underground waterproofing engineering of the nuclear island of Tianwan Nuclear Power Station, engineers adopted self\|waterproof concrete structures and an overall outer\|pack waterproof coiled material layer as main waterproof measures, and used a layered drain system as secondary waterproof measures to form a compound waterproof and drain construction method.

In spite of diffluence or confluent to life and industry drain system, they all have die sanitary facilities or the water tanks, piping system, it has important relation for ventilate system and dredge system to be designed and constructed reasonable.

The practice of drain system in high-rise building is described by analyzing the hydraulic of vertical drain in high-rise building The advantages of single vertical drain system in high-rise building were show

The structure principle and cold prevention,heat preservation design of the water supply system,water drainage system and frozen water drainage on high speed trains are described.

This paper introduces water drainage system design in this interchange area combined with construction drawing design and site construction of this interchange area,which provides re.

The system was including the decision support system of the design and selection for the water drainage system,rapid automatic generation and rapid implement of the rescue water drainage emergency plan,and the on time fault diagnosis and the monitoring and control of the mine equipment.