英文關鍵字
adiabatic
ancient
antique
art
artwork
blue
carnot
compression
cover
cycle
device
drawing
engine
engravings
etching
fire
grunge
heat
historic
history
ignition
illustration
image
isolated
old
open
painting
paper
physics
picture
piston
pressure
retro
science
style
syringe
technology
temperature
thermodynamics
work