piston alloys meaning in Chinese

活塞铝合金

The application and development of al - si piston alloy
硅活塞合金的应用与发展
Review on the research and application of al - si piston alloy at home and abroad
国内外铝硅活塞合金的研究及应用述评
Twin piston alloy callipers at the front and single piston callipers at the rear bring the large - diameter wheels to rest
前轮是双活塞合金制动钳，而后轮是单活塞制动钳，可对大尺寸车轮进行制动。