英文關鍵字
basement
boiler
central
checking
circulation
clipboard
controller
controlling
devices
dress
electronic
engineer
engineering
equipment
examining
female
floor
gate
ground
heating
helmet
indication
industrial
industry
inspector
laser
maintenance
manometer
measuring
options
pen
pipe
pipeline
plumber
power
pressure
pyrometer
repairman
room
shapely
supply
system
technician
technology
valve
verification
water
woman
worker
young