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1·The BRG-15 had conventional, gas operated action with rotating bolt, locking into the barrel extension.

该担心现有- 15接受传统，燃气经营与旋转螺栓行动，延长锁入桶。

2·In this action bolt has two frontal lugs that engage the barrel extension, which is screwed onto the barrel.

螺栓在这次行动中有两个是从事前沿耳桶扩展，这是到每桶拧。

3·It has the same simple blowback action with bolt that telescopes around the rear part of the barrel.

它具有相同的螺栓简单的反作用的行动，望远镜周围的枪管尾部。

4·Install new lower barrel, place new snap ring and new flange on the new lower barrel, fixed by bolt nut.

安装新埋管，把新卡环和新法兰套进新埋管里，用螺栓螺母与法兰固定。

5·Install upper barrel, fixed by break flange and bolt nut.

安装上体，用断开法兰和螺栓螺母固定。

6·By using the finite element method, the dynamic stress caused by vertical contact impact between bolt locking surface and barrel extension locking surface of a new rifle was studied.

采用有限元方法研究了某新型自动步枪枪机闭锁面与节套闭锁面间垂直接触碰撞的动应力。

7·A rubber gasket seal is used between a clamp nut of a barrel screw bolt and the outer wall of the barrel body of the utility model.

筒体螺栓的紧固螺母和筒体外壁之间也采用橡胶垫圈密封。