固定作业的危险因素及预防一提到农机事故，很多机手就认为那是拖拉机上路或在田间作业时发生的事。事实上，农业机械在从事固定作业时，也存在着易被人们忽视的危险因素，以致酿成这样或那样的事故。这些危险因素主要有：（１）挤压危险机器两部件相对运动，且至少有一个... Risk Factors and Prevention of Fixed Work When it comes to agricultural accidents, many people think it is something that tractors do when they are on the road or in the field. In fact, agricultural machinery also has a risk of being overlooked when it is engaged in fixed operations, causing one or the other accident. The main risk factors are: (1) squeeze dangerous machine relative movement of two parts, and at least one ...