磨光的聚焦弯晶单色器的英文

curved-and-ground focusing reflector

• 磨光:    rub; polish; groun ...
• 的:    4次方是 The fourth po ...
• 聚焦:    focus; focusing; c ...
• 弯:    curved; bent; croo ...
• 晶:    brilliant; glitter ...
• 单色:    monocolour; monoch ...
• 器:    implement; utensil ...