| 1. | Controller for seed metering device used in precision drill
精密播种机排种自动控制装置 |
| 2. | Experimental study on 2qxp - 1 type suction - seed metering device
1型气吸式排种器的初步试验 |
| 3. | 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。 |
| 4. | Application of tension meter device in the strip shape measurement
基于张力测量的板形检测技术 |
| 5. | Specification for simple smoke alarms and alarm metering devices
简易烟雾报警器与报警测量器规范 |
| 6. | Averaging speed flow meter for metering devices of water supply quantity
水量计量仪表.均速管流量计 |
| 7. | Status quo and developing direction of cottonseed metering device
棉花播种机排种器的现状和发展趋势 |
| 8. | Design and experiment of four rows seed - metering device for vegetable
针孔气力式蔬菜排种器的设计与试验 |
| 9. | Instal lation and wiring connection rules for electric energy metering device
电能计量装置安装接线规则 |
| 10. | Present situation and developing trend of the cotton seed metering device
倾斜外槽轮上排种式排种器的设计 |
