窑底 meaning in English

furnace bottom
furnace siege
kiln bottom
kiln floor

As the furnace heats up, the glass placed in it will soften and cover the floor .
当窑升温时，放在里面的玻璃将软化并覆盖窑底。
A wind vent is in the opposite of this door with a blast furnace . in the ground there are ten more ditches for the air while burning the oyster shell . the mottled wall tells its history
风口外为鼓风设备，窑底则有红砖铺设而形成之平行于中轴线的窑沟十数条，系烧制蚵时供应助燃外气的管道。