Aluminum alloy shell, elegant, durable, heat eliminable.

铝合金外壳，时尚，耐用，散热好。

27 Aft sponson aluminum alloy construction with machined frames and composite construction。 Houses main undercarriage and condenser for air conditioning system。

浮筒后部为铝合金，内装主起落架和空调系统的冷凝器。

In this paper, formulize concrete measures of optimal design of the extrusion die for a four-cavity thin wall aluminum alloy flat pipe.

阐述了该4腔薄壁铝合金扁管挤压模优化设计的具体措施。

The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.

仪表的刻度盘应为机械指针式，应选用铜铝合金材质，底色为白色，上面标的数字和刻度为黑色（不易褪色），刻度分配应采用厂家提供的标准。