我们电子收音机包装用的木箱轻巧坚固。
The cases used for packing our transistor radios are light but strong.
合金铸铝之机身，轻巧坚固，精密结构效率显著。
The aluminum alloy machine case is light and durable, its structure is precise and causes higher efficiency.
钛的质地坚固轻巧，并且可以承受470摄氏度的高温。
Titanium is strong, light and can withstand temperatures as high as 470 degrees centigrade.
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