目视航标
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visual navigation aids
目视导航设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
While the pilots should have been able to use visual references and navigation aids at the airport to judge if they were descending too quickly, reduced visibility from a burst of rain could have made landing more difficult, experts said.
WSJ: Weather Scrutinized as Possible Cause of Lion Air Crash
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