英文關鍵字
electronic
water
device
black
glyph
symbol
hardness
thermometer
industrial
weight
tool
ph
theodolite
infrared
technology
instrument
distance
temperature
meter
gadget
measurement
accelerometer
durometer
planimeter
measure
atmosphere
fahrenheit
indicator
volumetric
length
range
dosimeter
inspection
icon
motion
graphic
animation
pictogram
hd
animated
item
sign