Firqn.菲尔格(在阿曼；东经 57º32' 北纬 22º53')firn.枞树；冷杉；枞木firing circuit for flashlamp闪光灯触发电路Firing Set Maintenance Spares发射设备维修备件Firing circuit for flash lamp闪光灯触发电路firie coating paper and board高品质涂布纸与纸板Firing Effectiveness Indicator射击效果指示器Fir cones make splendid fuel.冷杉?鹿?龀隽瞬黄鸬娜剂稀firing constant current circuit点火稳流电路firing calibration of naval gun舰炮校射Firing Evaluation Display System射角显示系统Firs and pines are evergreens.冷杉和松树是常青树。