Guhit ning pundasyun
Duct section drawing
Basement area
20
m
2
(
20000000
mm
2
)
Lugar ning metung a pasbul
0.012
m
2
(
12272
mm
2
)
Kabuuang lualas da reng pasbul
0.061
m
2
(
61359
mm
2
)
Dagul ning angin
5
gamit
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