道次压下量 meaning in English

reduction in pass
reductioninpass

Reduction per pass
每道次压下量
( 2 ) for the cyclic pressing technics , the thickness of densified layer of ring was studied , and the rules which the technics must follow had been investigated , and the influence of parameter on densification results had also been investigated . according to the theory of rolling , the conclusion of thickness of densification layer had been drawn for the dual - direction cyclic pressing . the term that decreased height of one stage and distance of one step advancing had been researched
( 2 )对楔压压透深度规律进行了初步探索,同时对楔压过程参数(单道次压下量和楔压步进量)所要遵循的规律以及楔压工艺参数(压制方式、压下量和压制温度)对坯件性能的影响进行了研究。