From Bernoulli s Energy equation of steady uniform pressure flow,this paper theoretically analyzes the laws of pressure changes of outlet of pressure tunnel and gives some computation formulas of theory.

A forecast by State Commission of Development and Reform:the export of paper product slows down;

Seeing China Nonwovens Development from the Export Condition in 2005;

The influences fo EU Chemists New Policy on China's Toy Export and Countermeasures;

Clinical analysis of 43 cases of childbirth with the help of obstetric forceps in lows and exit;

Calculation of control water depth in exit of side channel spillway;

Study on Safety Evaluation of Urban Expressway Exit Based on Traffic Conflict Technology;

Determinants of Exports in Chinese Electronics Industry;

An Empirical Analysis on the Relationship between China s Exports and Economic Growth;

Support System Model for Exports Anti-dumping Early-Warning;

Empirical Research on the Effect of Technological Innovation on the Exportation of High-tech Products Made in China;

Analysis on the Attention of Overseas Market Focuses on Chinese Aquatic Production Exportation——See Chinese Aquatic Product Exportation from the Aspect of Japan;

Study on Bond Policy In View of ExportationExpenditure and Investment;