ボイド管
Meanings
1
cardboard tube for pouring concrete
Used on building sites to create voids or form columns when pouring concrete; a specialized construction term.
On site, they pour concrete into cardboard tubes to make columns.
cardboard tube for pouring concrete
Used on building sites to create voids or form columns when pouring concrete; a specialized construction term.
On site, they pour concrete into cardboard tubes to make columns.