英文關鍵字
alloy
apron
armed
armor
armored
armory
armour
armoured
army
background
battle
black
camouflage
caterpillar
closeup
conflict
continuous
crawler
desert
destruction
equipment
fight
force
green
gun
heavily
heavy
howitzer
iron
khaki
machine
machinery
metal
military
old
power
rusty
steel
tank
technology
track
tracked
transportation
tread
vehicle
veteran
war
weapon
wheel