最新 aluminum alloy 铝合金 双语例句 Built two product lines of metal powder and aluminum alloy additive 、 metal additive, grain refiner. 建立了金属粉末和铝熔铸业用熔剂、金属添加剂、细化剂两套生产线。 Valve body and internal parts: anodized aluminum alloy,... 2025-09-25 1
