今天看不同的炉子，表面都是平的那种，都是什么样的加热方式

[小傻]

Googled --

The gas discipline of Safety Services is responsible for the development and interpretation of the gas codes, standards and respective regulations under the Safety Codes Act. This covers the installation of natural gas appliances, equipment, components, and accessories where gas is to be used for fuel purposes...

 

[小傻]

From Sears' home page
http://www.sears.ca/e/ma/prodinfo/bfbyglss/fsrg.htm

Gas
The oven and cooktop elements are heated with natural gas. Gas ranges are extremely popular with people who love to cook. Gas provides instant heat at a constant temperature and the cook has more control over burner temperature. It's important to note that every gas range must be installed by a licensed gas installer according to local codes. Most models can be converted to propane.

 

[oread]

TT, read this

http://www.comefromchina.com/newbbs/showthread.php?s=&forumid=95&threadid=304681