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。
Due to the adoption of the structure, the fastening device has better fixity, not easy looseness and good operation effect under the action of air cushion.
采用上述结构，固紧装置在气体的缓冲作用下，的固定性能更好，不易发生松动，手术效果好。
The use of chemotherapy pump Methods: in aseptic operation, will join the saline fluorouracil 1500 mg to 275 mL, shake, liquid injection pump, the fastening device caps.
使用化疗泵方法：在无菌操作下，将氟尿嘧啶1500 mg加入生理盐水至275 mL，摇匀，药液注入泵内，拧紧帽盖装置。
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