有尖头锥体的扩压器的英文

conical-spike diffuser

• 有:    5年 fifteen years
• 尖头:    pointed end; sharp ...
• 锥体:    pyramis; pyramid; ...
• 的:    4次方是 The fourth po ...
• 扩:    expand; enlarge; e ...
• 压:    press; push down; ...
• 器:    implement; utensil ...