英文關鍵字
aged
ancient
antique
bad
connection
construction
consumption
corrode
corrosion
coupling
crane
drain
drip
dripping
drop
environment
faucet
fitting
flow
leak
leakage
leaking
leaky
liquid
lose
old
pipe
pipeline
plumber
plumbing
pressure
problem
pump
regulate
regulator
repair
rust
rusted
rusty
stopcock
tap
tube
valve
vintage
waste
water