英文關鍵字
bicycle
adjustment
bike
equipment
service
transport
wheel
transportation
vehicle
bicycling
cycle
gear
industry
industrial
mechanic
repair
tire
cycling
workshop
metal
maintenance
repairman
vessel
worker
working
production
assembly
plant
mechanism
mechanics
mechanical
tool
construction
installment
job
bicyclist
technology
garage
factory
machinery
technician
skill
fixing
manufacture
aluminium
work
damage