英文關鍵字
ammo
ammunition
army
bottle
bullets
caliber
closeup
detail
equipment
factory
gun
industry
line
machine
manufacture
military
part
production
rifle
set
shell
shotgun
steel
technology
tool
war
work
英文關鍵字
ammo
ammunition
army
bottle
bullets
caliber
closeup
detail
equipment
factory
gun
industry
line
machine
manufacture
military
part
production
rifle
set
shell
shotgun
steel
technology
tool
war
work