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。

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Transmission chain of gun servo system has backlash, it is one of the important factors that affect dynamics performance and stable precision of gun system.

火炮伺服系统传动链存在传动齿隙，齿隙是影响火炮伺服系统动态性能和稳态精度的重要因素之一。

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In this paper, in the full analysed the merits and synthesized the medium-caliber gun feeding system at home and abroad, then we proposed a shell-feeding system with untreaded chain style.

论文在综合分析了国内外大中口径舰炮供弹系统机构的基础上，提出了中口径舰炮折回链式的供弹系统设计方案。

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From a simple pistol to the powerful chain gun with infinite ammo, each weapon causes unique, and sometimes very visceral, damage.

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The chain gun literally cuts enemies in half.

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That documentation could then help the police trace a gun through the chain of possession from first retail sale by a licensed dealer.

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