资讯

来自MSN8 个月
Wasp nest clogging fuel tank leads to fatal New York helicopter crash, officials say
A wasp nest clogging a fuel tank led to a fatal helicopter crash in New York, officials say. Gary Johnson, 65, was flying his helicopter in West Carthage shortly after 11 a.m. on July 27 when it ...
Al Bawaba4 天
First hydrogen helicopter completes test flight
ALBAWABA - Unither Therapeutics, a US-based biotechnology company specializing in innovative treatments for chronic illnesses ...