The synchronal rotary compressor is si mple instructure,but it has stronger adaptability for a vari-ety of working medium,so it is a good type as aircompressor,
In this paper, the definition of NURBS curve and a speed-controlled interpolation in which the feed rate is automatically adjusted in order to meet the specifie
TheperformanceoftheTACfilmsdeposited bytheFCVAisbetterthanthatofthediamond like carbonfilms[1,2],becausetheformerisofhigher hardnessandtransparency,smallerfrict