1) automatic negative pressure gun
自动负压枪
2) automatic electrostatic powder spray gun
高压静电自动喷枪
3) automatic rifle
自动步枪
1.
Dynamics simulation of high firing rate and floating automatic rifle;
高射频浮动自动步枪动力学仿真研究
2.
By using dynamic simulation method,the launching technique of varying firing rate and dual cyclic system for automatic rifle was studied.
采用动力学仿真方法研究了自动步枪双循环变射频发射技术,射频的数值仿真结果和测试结果符合一致,证明了方案的可行性。
3.
As one of the most important weapon used by infantry, the automatic rifle still worth our deep research today.
自动步枪作为步兵的主要武器,对其进行深入研究是十分必要的。
4) automatic spray gun
自动喷枪
6) automatic fog gun
自动雾枪
补充资料：AK47自动枪