英文關鍵字
application
automated
automatic
automatical
checking
coating
control
defectoscopy
detection
device
engineering
equipment
examination
fault
inspection
liquid
lubrication
machine
maintenance
mechanism
metal
monitoring
operation
protection
rail
railroad
railway
repair
road
safety
security
sensors
servise
steel
supply
survey
system
technical
testing
tool
track
train
transport
transportation
ultrasonic
ultrasound
water
work