Air safety investigators in Australia say they have identified a serious manufacturing fault with engines fitted to Airbus A380 passenger jets.
澳大利亚航空安全调查委员会称,他们已经在A380空中客机上的引擎中发现了一个严重的生产故障。
Air safety investigators 1 in Australia say they have identified a serious manufacturing fault with engines fitted to Airbus A380 passenger jets.
澳大利亚航空安全调查委员会称,他们已经在A380空中客机上的引擎中发现了一个严重的生产故障。
It was not the manufacturing of the fiber that was at fault, but rather that the ingredient for the fiber - the glass - was not pure enough.
光在光纤中损耗不是光纤制造技艺的责任,而是光纤的成分——玻璃纯度不够。
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