1、I've an extra gas cooker on my hands. Do you want to take it off me?
我有一個多余的煤氣灶具，你想要拿去嗎？

2、The furnace mouth of my gas cooker should be replaced.
煤氣灶的爐嘴兒該換一個了。

3、We have got variety gas cooker models and versions for your preference.
我們有多種型號及款式的燃氣灶具供您選擇。