喷口调节锥 调整针塞的英文

exhaustcone

• 喷:    time on the market ...
• 口:    mouth
• 调节:    regulate; adjust; ...
• 锥:    awl awl-shaped thi ...
• 调整:    adjust; tune-up; t ...
• 针:    needle
• 塞:    fill in; stuff