機器
accuracy
bearing
blueprints
detail
document
draft
draw
engine
engineering
equipment
factory
garage
gear
gearbox
gearwheels
industrial
industry
instrument
layout
machinepart
machinery
manufacture
measure
mechanic
mechanical
mechanical equipment
mechanics
mechanism
metal
paper
part
power
precision
repair
ring
roller
rolling
ruler
service
steel
strength
technology
tool
transmission
turning
wheel
work
workshop