脱粒机产品质量不容乐观国家场上作业机械及机制小农具质检中心潘一兵受国家技术监督局委托，我中心从１９９２年至１９９７年，先后５次对全国脱粒机产品质量进行监督抽查，对脱粒机生产企业的生产条件、产品质量控制等情况进行考核。每次抽查企业约占全国脱粒机生产企业... Threshing machine is not optimistic about the quality of the products on the field of operation machinery and mechanisms of small-scale quality inspection center Pan Yibing commissioned by the State Bureau of Technical Supervision, our center from 1992 to 1997, has 5 times the national thresher product quality supervision and spot checks, threshing Machine manufacturer’s production conditions, product quality control and other conditions assessment. Each sampling company accounts for the national threshing machine manufacturing enterprises ...