今年我参加了北方组对旋片真空泵的检查工作,检查了沈阳真空机械二厂等五个厂家生产的旋片真空泵,从检查的结果来看,大多数厂家的产品质量比去年有较大的提高,性能也有所提高,主要零部件主要项目合格率也提高许多(例如博山真空泵厂项目合格率达99.04%)。但是多数生产厂真空泵的 This year I participated in the northern group of rotary vane vacuum pump inspection, inspection Shenyang Vacuum Machinery Plant five manufacturers rotary vane vacuum pump, from the inspection results, most of the manufacturers of product quality than last year, a larger Improve, performance has also been improved, the main parts of the main project qualification rate has also improved many (such as Boshan Vacuum Pump Project qualified rate of 99.04%). But most of the production plant vacuum pump