Water level measurement stick in calm water.
Schlüsselwörter
depth,
measure,
flood,
water,
level,
measurement,
stick,
calm,
surface,
gauge,
height,
indicator,
scale,
floating,
aquatic,
environment,
tool,
nature,
survey,
monitoring,
clear,
liquid,
analysis,
observation,
construction,
calibration,
precision,
datum,
assessment,
engineering,
activity,
system,
management,
quality,
research,
safety,
detail,
mark,
ruler,
marker,
meter,
number,
pole,
river,
deep,
irrigation,
environmental
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