STRAIGHTNESS MEASURING AND FINITE ELEMENT ANALYSIS OF THE DRILLING PIPE STRAIGHTENING BASED ON THE LPD
EXTRUSION-PLOUGHING PROCESS MODEL AND EXPERIMENT RESEARCH ON FABRICATION OF MICRO GROOVE WITH FIN STRUCTURE
EFFICIENCY IMPROVEMENT OF MSW INCINERATOR WITH A NOVEL MSW INCINERATION TECHNOLOGY INTEGRATED WITH BIOCHEMICAL METHOD
RESEARCH ON FEEDFORWARD CONTROL SYSTEM OF TANDEM COLD ROLLING MILLS HYDRAULIC AGC AND ITS COMPUTER CONTROL STRATEGY