The Sources of Errors and Solutions in the Numerical Control Process;

Disscussion on the problems of high school P.E and its suggested solutions;

The Existed Problems and the Solutions in the Heat-generation and Abnormal Working Test for the Deep Fringing Pan and Flat Fringing Pan;

The Questions and Solutions in Extraction of Volatile Oils from Traditional Chinese Medicine by Vapour Distillation;

Wrinkle cause of stainless thin wall deep drawing and its solution;

The wire-broken problem and solution of high-speed line cutting;

Phenomenon of a risein temperature of large power shearer cutting unit and solving method;

The paper briefly analysed the reason of stoppage for the broken warp and broken filling on rapier loom in production process and put forward the solving method.

This paper states the development actuality of digital library in our country and puts forward the problems and solving method in developing digital library.

Some solution method is put forward to better solve the problem of body's cracking defect in the process of solid casting so as to advance the quality of the solid casting body.

Quality problem in producing Chloro-Qxide-Mg cement product is briefly analysed,and solution method is also pointed out.

Causes and resolvent for skew traveling of the bridge crane cart;

This paper analyses the reason and resolvent of the problems.

Aiming at the deficiency of ventilation quantity in Pingyang Coal Mine,the essay finds out and analyses the causes,puts forward resolvent and roughly introduces the confimation of the testing scheme to ventilator performance,testing methods,test process,puts forward the relevant problems and summarizes the characteristics of the test.