您要查找的是不是：
- Once installed, this heater operates automatically. 一旦安装好以后，这加热器就会自动地运行。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- The heater in my car doesn't work properly. 我汽车里的暖气设备出了点毛病。
- Her age is of secondary interest. 她的年龄不太重要。
- You'll run up a huge gas bill if you leave the heater on. 热水器要是总开著，煤气费就很高了。
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- secondary heater 副加热器
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- A secondary mine passageway between two main shafts or tunnels. 次要矿山甬道矿井中连接两条大隧道的小巷道
- The government introduced universal secondary education years ago. 几年前，政府就倡导普及中等教育。
- Adopted quick heat and long life ceramic heater. 采用快速升温及长寿命陶瓷发热芯。
- Our aim is that all children complete secondary education. 我们的宗旨是让所有孩子完成中等教育。
- Many older people still believe that women's careers are secondary. 许多年岁大一点的人仍然认为妇女的职业生涯并不那么重要。
- The heater can give off much warmth. 加热器能散发出热能。
- All other considerations are secondary to his safety. 现在首先要考虑的是他的安全，其他事都是次要的。
- In secondary school, students get more advanced knowledge. 在中学里，学生获得更深一些的知识。
- The house is fit up with gas and steam heater. 房子里装有煤气和暖气。
- Is it okay for me to turn up the heater? 我可以将暖气调大一点吗?
- There is an electric heater in the bedroom. 卧室里有一个电暖炉。
- You should sit one meter from a heater. 你应该坐在离暖气一米远的地方。
