| 1. | 3 . bench testing on the new precision metering device
三、对所研制的排种器进行了试验研究。 |
| 2. | Liquid hydrocarbons - determination of electrical conductivity - precision meter
液态烃类电导率测定法 |
| 3. | Electrical conductivity of liquid hydrocarbons by precision meter , test method for
液态烃电导率的精密仪表测量法 |
| 4. | The situation and prospect of corn precision metering mechanization in china
我国玉米精密播种机械化的现状与发展趋势 |
| 5. | It is a maintenance free analyzer as its newest design of the precision meter pump
使用隔膜式精密计量泵- - -计量精确、免维护。 |
| 6. | Standard test method for electrical conductivity of liquid hydrocarbons by precision meter
精密计测定液态烃导电率的标准试验方法 |
| 7. | It is a maintenance free analyzer as its newest design of the precision meter pump
全新设计- - -使用隔膜式精密计量泵，耐酸碱，免维护。 |
| 8. | Theoretical analysis of seeds filling process in precision metering device with concave metering inner - cell
组合内窝孔精密排种器充种过程分析 |
| 9. | Statistic calculation software development and application of performance indexes for checking the precision metering
我国设施农业发展存在的问题与对策研究 |
| 10. | Study on spring needle device for preventing blockage of the suction hole used in vertical plate precision metering
垂直圆盘精量排种器弹性防堵塞装置的研究 |
