英文關鍵字
background
braid
braiding
clean
closeup
connect
connection
crimping
durable
engineering
equipment
fitting
flexible
flow
high
hose
hydraulic
industrial
industry
iron
joint
lie
liquid
maintenance
metal
metallic
new
nut
oil
part
pipe
pipeline
plumbing
pressure
reinforced
repair
sanitary
service
shiny
silver
spare
stainless
steel
storehouse
supply
technology
thread
tube
water