Piece-rate differential system 差别计件制
Taylor Differential Piece Rate System 泰勒差异件资制
Taylor differential piece-rate system 泰勒差别计件工资制
differential piece-rate system 分等计件工资制 ; 差别计件工资制
differential piece rate system 差别计件工资率制度
rate differential system 差别计件制
differential price rate system 差别计件工资制
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