拱板

tóng gǒng bǎn shì yī zhǒng lǐ xiǎng de wū miàn gòu jiàn tè bié shì yòng yú lěng kù jiàn zhù

砼拱板是一种理想的屋面构件，特别适用于冷库建筑。

Concrete arch bar is an ideal roof member which is very suitable for the cold storage buildings.