玉米穴播穴灌机水分传感器驱动机构设计
杨术明,李茂强,杨树川,马伏龙
Design of soil moisture sensor drive mechanism for corn irrigating hill-seeder
YANG Shuming,LI Maoqiang,YANG Shuchuan,MA Fulong
河北大学学报(自然科学版) . 2013, (6): 561 -566 .  DOI: 10.3969/j.issn.1000-1565.2013.06.001