近年来,随着我国农机产品质量的不断提高,农机具各项性能参数的测定日益变得重要起来。根据田间作业机具的测试特点和需要,我们研制了几种携带方便、可靠性好、精度高、操作简便的新型检测仪表。下面就仪表的用途、主要技术指标及使用条件 In recent years, with the continuous improvement of the quality of agricultural machinery in China, the determination of various performance parameters of agricultural machinery has become increasingly important. According to the test features and needs of field work tools, we have developed several new portable measuring instruments with good reliability, high precision and easy operation. Following the use of the instrument, the main technical indicators and conditions of use