１．前言为做好２０００年联合收割机质量跟踪调查工作 ,使试验内容及记录格式统一 ,特制定本技术规范。本技术规范仅适用于全喂入自走式联合收割机的可靠性质量跟踪调查。２．参考标准ＪＢ／Ｔ６２８７ -９２《谷物联合收割机可靠性评定试验方法》。３．基本要求（１）调查机 1. Preface To do a good job of tracking the quality of combine harvesters in 2000, the test content and recording format unified, specially formulated this technical specification. This technical specification applies only to the follow-up survey of the reliability of fully-fed self-propelled combine harvesters. 2. Reference standard JB / T6287 -92 “cereal combine harvester reliability assessment test methods.” 3. Basic requirements (1) investigating machine