直吹式制粉系统磨煤机的英文

direct fired mill

direct-fired mill

direct-fired mull

• 直:    straight; stiff
• 吹:    blow; puff
• 式:    type; style
• 制粉:    powder process
• 系统:    system
• 磨:    mill; millstones
• 煤:    coal
• 机:    machine; engine