機器
accuracy
accurate
analogue
anvil
black
business
caliper
color
construction
design
device
diameter
dimensions
engineering
equipment
exact
flat
gage
hardened
icon
industrial
instrument
isolated
knob
lathe
line
measure
measurement
mechanical
metallic
micrometer
millimeter
outline
precise
precision
probe
ratchet
reading
ruler
sleeve
steel
technology
thimble
thin
tool
training
vernier
white