a gas heater的用法和样例：
- Is there a gas heater in the room?
- I'll definitely have a gas heater installed in my house before this winter.
- The transformer plasmatron can be employed as a gas heater, as well as plasma chemical reactor.
- According to KHS use of a gas heater can cut energy costs by up to 50% and has a shorter heat-up phase, which also increases efficiency.
据KHS使用煤气热水器可以减少能源成本高达50 %25 ，并有一个较短的热阶段，这也提高了效率。
- A gas - operated hot - water heater.
- a gas heater that simulates a coal fire
a gas heater的相关资料：