Setting asphalt treated permeable base material structure in the asphalt pavement layer may discharge the free wa- ter in the interior road structure rapidly.

Application of mine stand pump to mine water drainage in coal mining face of Jining No.3 Mine;

Hollow concrete is a well performance novel road base material,and the corresponding asphalt pavement with hollow concrete water drainage substrate is a novel road pavement structure.

The significance, task and three means of water drainage on cloverleaf-junction drainage are introduced.

The drainage, water intake and water conservation of paper industry;

Improvement of Relayed Drainage System of Large Scale Mine Submerge Motor Pump;

Scheme design of vertical shaft drainage system during shaft construction;

This article elaborated the "inductive jet" principle of air current and the application in draining water accumulated in the factory,explained the feasibility and practicability of using vacuum absorption as the power supply to drain water automatically in the enterprise.

After many times argumentation and schemes choosing,we decided to pave an open channel to draining water in the footing groove to accel- erate the pump speed and ensure the displacement for increasing the excavating tempo.

Feasibility study of coal yard drainage reuse in power plant;

The main points about the design of the automatic drains in the FanGezhuang mine of the KaiLuan Group;

We have researched on the central drain system and the builtin fire foam delivery system and began domestic application for large floating roof storage tank by comparing the application of the system both domestically and internationally.

The design optimum of municipal water drain checking well;

The quality control of polyethylene tube in town water drain construction;