英文關鍵字
accuracy
accurate
assembly
business
caliper
centimeter
close
construction
control
detail
device
diameter
dimension
drill
engineer
engineering
equipment
exact
factory
inch
industrial
industry
inspection
instrument
iron
manufacturing
measure
measurement
measuring
mechanical
metal
metalworking
meter
metric
millimeter
number
quality
scale
stainless
steel
technician
technology
tool
tools
using
vernier
work
worker
workshop