今年我国很多地区都下过雨，现在我们要做好防锈工作。手动杠杆块.杠杆块可以在很多场合使用，但要避免使用手动杠杆块 在阴雨天气提高杠杆块的使用寿命，保持杠杆块的使用性能。雨天做好手扳葫芦的保养工作。的材料杠杆块 is metal, and most of the metal has the defect of rust. Doing good maintenance work can avoid the danger of rusting on the lever hoist and extend the杠杆块. The service life improves its operational safety. If the project is more urgent and the amount of precipitation is particularly low, people can consider building a canopy for lifting work, but it must be maintained in time after use.
