火管 firetube
消防水池 fire-water pond
消防水罐 fire-water supply
烟火具 fireworks
发火特性 firing characteristic
激发指令 firing command
发火头 firing head
激发时间间隔 firing interval
引火线;流水作业线 firing line
流水作业法 firing line method
发火装置 firing mechanism
点火顺序 firing order
消防水池 fire-water pond
消防水罐 fire-water supply
烟火具 fireworks
发火特性 firing characteristic
激发指令 firing command
发火头 firing head
激发时间间隔 firing interval
引火线;流水作业线 firing line
流水作业法 firing line method
发火装置 firing mechanism
点火顺序 firing order
激发参数 firing parameters
启动脉冲;爆炸脉冲 firing pulse
起动齿条 firing racks
激发率 firing rate
引爆开关 firing switch
点火系统 firing system
激发时间 firing time
点火时间间隔 firing time interval
液下爆炸 firing under fluid
点火电压 firing voltage
小桶 firkin
商号 firm
定量气;保底天然气 firm gas
天然气必保用户 firm gas customers
坚实地面 firm ground
确盘 firm offer
硬化时间 firm time
稳定的贸易市场 firm trading market
坚固 firmness
坚固度测定计 firmness meter
稳固设备 firmware
冰川风 firn wind
第一 first
急救箱 first aid box
初步近似值 first approximation
初至 first arrival
初至子波 first arrival wavelets
第一受益人 first beneficiary
初吹 first blow
初至波 first break