初加热段的英文

• primary heating zone

• 初:    at the beginning of; in the ...
• 加热:    heat; warm; heat additive; h ...
• 段:    section; segment; part; para ...
• 初加热段, 初加热区:    primary heating zone
• 加热段:    bringing-up section; heat up section; heating coil section; heating section; heating zone; tonnage zone