塑料金属轴承合金的英文

• plastic metal bearing alloys
• plastic-metal bearing alloys

• 塑料:    plastics; plastic material; ...
• 金属:    metals genus
• 轴承合金:    bearing metals; bearing allo ...
• 白色金属轴承合金:    white metal bearing alloys
• 三层金属轴承合金:    trimetal