燃气取暖器的自动点火和缺氧保护设计
The design of automatic ignition and oxygen - poor protection for an intelligent gas-fired warmer
在今年冬天来临之前，我一定要在房子里安装燃气取暖器。
I 'll definitely have a gas heater installed in my house before this winter .
燃气红外取暖器的研制
Development of Gas Infrared Heater
燃气取暖器燃气取暖器燃气取暖器