英文關鍵字
aht
background
boat
console
control
diesel
energy
engine
equipment
factory
fuel
gauge
grey
hold
industrial
industry
interior
machine
machinery
marine
mechanic
mechanical
mechanism
metal
modern
motor
naval
oil
panel
pattern
people
pipe
plant
power
room
safety
shaft
ship
shipping
silver
sound
space
stop
submarine
technology
top
tube
vessel
water
working