在拖拉机使用过程中，～些机手总喜欢在拖拉机起步前或熄火前猛轰几下油门，殊不知，猛轰油门，使发动机转速骤变，会破坏发动机的正常工作状态，产生以下几种不正常情况，它不仅加速发动机运动机件的磨损，还会使机件损坏，酿成重大机械事故。门）使发动机的曲柄连杆机构和配 In the process of using tractors, some trainers always like to stomp a few times before the tractor starts or before the flameout. As everyone knows, the throttle is thrown so that the engine speed suddenly changes, which will destroy the normal working state of the engine, resulting in the following kinds of problems Under normal circumstances, it not only accelerate the wear and tear of motor sports parts, but also make the parts damaged, leading to major mechanical accidents. Door) Crankshaft connecting rod mechanism and matching engine