三角定規
Schlüsselwörter
triangle,
stationery,
school,
school,
measurement,
elementary school,
arithmetic,
stationery,
scale,
figure,
character,
white,
black,
pink,
up,
instrument,
plastic,
transparent,
drawing,
do it yourself,
object,
triangle,
angle,
ruler,
hole,
circle,
centimetre,
measurement
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