So reducing the impactofrecoil is the key problem to improve the overall performance of long-distance aerodynamic extinguishing cannon.
因此,减小后坐力的影响是进步远程气动灭火炮整体性能的关键题目之一。
2
All test mediums shall be discharged at a proper place outside; attention shall be paid to the impactofrecoil as well as the requirement for safety and environmental protection.