firs[计] 先前的
firn.枞树;冷杉;枞木
firing decision model射击决策模型
firing without furnace无灶点火
Firing Range Test Sets射击靶场测试装置
firing table elevation射表仰角
Firing Device Test Set点火装置测试设备
firing error indicator射击误差指示器
firing of refractories耐火剂焙烧
firing spring retainer击针簧档板
Firing Needle Assembly击发针装配
firoite element method有限元法