jack knifing

简明释义

吊杆失控

英英释义

例句

1.The truck lost control and started jack knifing, causing a major accident on the highway.

这辆卡车失去了控制，开始折叠，导致高速公路上发生重大事故。

2.The driver was trained to handle situations where the vehicle might start jack knifing.

司机接受过训练，以应对车辆可能开始折叠的情况。

3.He remembered his instructor warning him about jack knifing while towing a trailer.

他记得教练警告过他关于拖车时可能出现的折叠情况。

4.When the bus hit the icy patch, it started jack knifing and skidded off the road.

当公交车撞上冰面时，它开始折叠并滑出了道路。

5.During the heavy rain, the trailer began jack knifing as the driver tried to brake suddenly.

在大雨中，当司机试图急刹车时，拖车开始折叠。

作文

In the world of transportation, safety is paramount. One term that often arises in discussions about vehicle safety, particularly for large trucks, is jack knifing. This phenomenon occurs when a trailer swings out to the side of the towing vehicle, creating a sharp angle that resembles a folding knife. The implications of jack knifing can be severe, leading to accidents and potential injuries on the road. Understanding what causes this dangerous situation can help drivers take precautions to avoid it.The primary cause of jack knifing is typically a sudden loss of traction, often due to slippery road conditions such as rain, ice, or snow. When a truck driver applies the brakes too hard under these conditions, the trailer can start to slide sideways. If the driver does not react quickly enough, the trailer can pivot around the rear axle of the truck, resulting in the characteristic 'V' shape of a jack knifing vehicle. This not only puts the driver at risk but also endangers other motorists on the road.To prevent jack knifing, drivers must be aware of their speed and braking distance, especially in adverse weather conditions. Maintaining a safe following distance allows for more time to react to sudden stops or changes in traffic. Additionally, using engine braking instead of relying solely on the brake pedal can help maintain control of the vehicle. It is essential for drivers to practice defensive driving techniques and remain vigilant, as the risk of jack knifing can increase with heavy loads and high speeds.Another factor contributing to jack knifing is improper loading of the trailer. Uneven weight distribution can make a truck more susceptible to losing control. For instance, if the load is too far back in the trailer, it can create instability and increase the likelihood of a jack knifing incident. Therefore, it is crucial for drivers and freight companies to ensure that loads are secured and evenly distributed before hitting the road.Training and education play significant roles in preventing jack knifing. Many trucking companies provide their drivers with comprehensive training programs that include simulations of various driving conditions. This training helps drivers learn how to react appropriately in situations that could lead to a jack knifing scenario. Moreover, regular maintenance checks on vehicles can help identify any mechanical issues that could contribute to a loss of control.In summary, jack knifing is a critical safety concern in the trucking industry. By understanding its causes—such as loss of traction, improper loading, and lack of driver training—truck drivers can take proactive measures to avoid this dangerous situation. Awareness, preparation, and education are key components in reducing the incidence of jack knifing and ensuring safer roads for everyone. As we continue to prioritize safety in transportation, addressing the risks associated with jack knifing will remain an essential focus for drivers and companies alike.

在交通运输的世界中，安全至关重要。一个常常在讨论大型卡车安全时出现的术语是jack knifing。这一现象发生在拖车向拖动车辆的一侧摆动，形成一个锐角，类似于折叠刀。jack knifing的影响可能是严重的，导致事故和潜在的伤害。在道路上理解造成这种危险情况的原因，可以帮助驾驶员采取预防措施以避免它。jack knifing的主要原因通常是突然失去牵引力，通常是由于雨、冰或雪等滑溜的路面条件。当卡车司机在这些条件下过猛地刹车时，拖车可能会开始侧滑。如果司机反应不够快，拖车就可能围绕卡车的后轴旋转，导致特征性的“V”形状，这就是jack knifing车辆。这不仅使司机处于风险之中，还危及其他道路使用者。为了防止jack knifing，驾驶员必须意识到他们的速度和刹车距离，特别是在恶劣天气条件下。保持安全的跟车距离可以为应对突发停车或交通变化提供更多时间。此外，使用发动机制动而不是仅依赖刹车踏板可以帮助保持车辆控制。司机必须练习防御性驾驶技巧并保持警惕，因为在超载和高速情况下，jack knifing的风险可能会增加。另一个导致jack knifing的因素是拖车装载不当。不均匀的重量分配可能使卡车更容易失去控制。例如，如果货物装载过于靠后，就可能导致不稳定，并增加发生jack knifing事件的可能性。因此，驾驶员和货运公司在上路之前确保货物安全且均匀分布至关重要。培训和教育在防止jack knifing中发挥着重要作用。许多卡车公司为其司机提供全面的培训项目，包括各种驾驶条件的模拟。这种培训帮助司机学习如何在可能导致jack knifing的情况下做出适当反应。此外，定期对车辆进行维护检查可以帮助识别任何可能导致失控的机械问题。总之，jack knifing是卡车行业中的一个关键安全问题。通过理解其原因，如失去牵引力、装载不当和缺乏司机培训，卡车司机可以采取积极措施避免这种危险情况。意识、准备和教育是减少jack knifing事件发生率和确保每个人更安全的道路的关键组成部分。随着我们继续优先考虑交通安全，解决与jack knifing相关的风险将始终是司机和公司关注的重点。