hand crane

简明释义

手力起重机

英英释义

例句

1.The hand crane made it easier to lift the engine out of the car.

使用手动起重机使得将发动机从汽车中取出变得更加容易。

2.She learned how to use a hand crane during her internship at the warehouse.

在仓库实习期间，她学习了如何使用手动起重机。

3.He operated the hand crane with precision to avoid any accidents.

他精确地操作着手动起重机以避免任何事故。

4.In the construction site, a hand crane is essential for moving large objects.

在建筑工地上，手动起重机对于移动大型物体至关重要。

5.The workers used a hand crane to lift heavy materials onto the roof.

工人们使用手动起重机将重型材料提升到屋顶上。

作文

The construction industry is filled with various tools and equipment that help workers perform their tasks more efficiently. One such tool that has been around for centuries is the hand crane. A hand crane (手动起重机) is a simple yet effective device used to lift and move heavy objects. Unlike modern cranes, which are powered by electricity or hydraulics, a hand crane relies on manual effort to operate. This makes it an essential tool in situations where power sources are unavailable or when working in confined spaces.The design of a hand crane typically includes a boom, a pulley system, and a hook to attach to the load. The user manually pulls on a rope or lever to raise or lower the load, making it a versatile tool for various lifting tasks. Due to its simplicity, the hand crane is often used in small-scale construction projects, warehouses, and even in homes for lifting furniture or heavy appliances.One of the significant advantages of using a hand crane is its portability. Since it does not require electricity or complex setup, it can be easily transported and set up wherever needed. This feature makes it particularly useful in remote locations or during outdoor events where access to power may be limited. Additionally, a hand crane is generally more affordable than powered cranes, making it accessible for small business owners and DIY enthusiasts.However, there are some limitations to consider when using a hand crane. The amount of weight that can be lifted is directly related to the strength of the individual operating it. Therefore, it is crucial for users to understand their physical limits and the capabilities of the hand crane to avoid accidents or injuries. Proper training and safety precautions should always be observed when operating this type of equipment.In recent years, there has been a resurgence in the use of traditional tools like the hand crane as people seek to reduce reliance on electricity and promote sustainable practices. Many craftsmen and builders appreciate the tactile experience of using manual tools, finding them more rewarding than their powered counterparts. The hand crane, in this context, is not just a tool but a symbol of craftsmanship and skill.In conclusion, the hand crane (手动起重机) is a valuable tool that has stood the test of time. Its simplicity, portability, and affordability make it a preferred choice for many lifting tasks. While it may not have the power of modern cranes, the hand crane offers unique benefits that cater to specific needs in various industries. As we continue to explore sustainable building practices, the hand crane will undoubtedly remain an important part of our toolkit, reminding us of the importance of manual labor and the skills that come with it.