隧道窑的英文：
tunnel furnace

tunnel是什么意思：
n. 地下通道；洞穴
v. 挖掘隧道；打开通道

The engineers sank a tunnel into the ground.
工程师们在地下挖了个隧道。

The exit of the tunnel is concealed.
地道的出口开在隐秘的地方。

A tunnel was to be blasted through the mountains.
一条隧道要被炸开，穿山而过。

They drove a tunnel through a hill.
他们通过小山挖一隧道。

The roof of the tunnel fell in.
隧道顶部塌了下来.。

furnace是什么意思：
n. 火炉，熔炉；极热的地方

He was feeding coal to the furnace.
他在给炉子加煤。

I'm going to damp a furnace.
我准备封炉子了。

A furnace formerly used in glassmaking for calcination of materials into frit.
熔炉一种以前用在玻璃生产中的火炉，用于原料到玻璃质的锻烧

The shell and cover of the radiation tube heating furnace.
辐射管加热炉的炉壳及炉盖

Iron is extracted from the ore by smelting in the blast furnace.
铁是通过高炉冶炼从矿石中提取的。