firnn.粒雪;积雪
firn.枞树;冷杉;枞木
firing torque发火转矩
firing device点燃装置
firing tables射表
Firing energy发火能量
firing shovel晶防铲
firing baking热风烤窑
firing weapon射击武器
firing course射击航向
firing stroke点火冲程
firing orders射序