In Sichuan, soldiers spent a hard time creeping across Luding Chain Bridge, which was made up of 13 iron chains, in the middle of gun fire.
在四川，士兵们在炮火中艰难地爬过由13条铁链组成的泸定铁桥。
2
It makes great influence to normal production of BF because of design faults of hydraulic system and improper operation after modification for hydraulically driven clay gun at Iron-making Plant.
炼铁厂液压炮在改型以后，由于液压系统的设计缺陷及使用中方法不当，对高炉生产影响很大。
3
The hydraulic clay gun is an special metallurgical equipment for open metal iron mouth.