elastic fastening device
常見例句
- 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.
采用鋼軌彈力緊固裝置和鋼軌鋁熱焊技術(shù)，減少鋼軌接頭，克服鋼軌熱脹冷縮帶來的弊端，使得行車在鋼軌上運行平穩(wěn)可靠。 返回 elastic fastening device