puff
機器
abreast
arm
armor
armored
armour
built
caterpillar
close
closeup
cobbles
cobblestone
combat
crawler
emit
engineering
exhaust
fill
gear
gearing
green
heavy
iron
line
mechanism
metal
military
old
pavement
road
row
smoke
steel
tank
tanks
technics
technique
track
tracks
up
vehicle
war
weapon
wheel
wheels
with