elastic fastening device
常见例句
- Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。 返回 elastic fastening device