“cupola furnace”造句，怎麼用cupola furnace造句

1、gas chromatograph for cupola furnace

3、The safety of production can be assured by installation of a balance safety valve at the top of the stack over the cupola furnace.

2、The furnace adopts the following scheme that: (1)cutting down all hot air cupola furnaces below 5 tons to transform furnace bodies, and reconstructing a large furnace;

4、The result got from the iron smelting test in cupola furnace shows that the coke briquettes can be used as foundry coke.