duralumin alloy造句
例句与造句
- The rigidly braced wings covered with fabric were constructed from light duralumin alloy and steel.
- He was fitted with the standard wooden leg, but his younger brother Charles used his knowledge of aircraft materials to design a new jointed Duralumin alloy leg of half the weight, with which he was able to return to flying.
- It's difficult to find duralumin alloy in a sentence. 用duralumin alloy造句挺难的
