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