... 机械式指示 mechanical indication 机械式指示 mechanical indication 机械式仪器 mechanical instrument ...
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"There was an indication of a mechanical problem, " Mr. Herwig said.
WSJ: South Bend Plane Crash Kills Two
"There was an indication of a mechanical problem, " Herwig said.
NPR: 2 Killed When Jet Crashes In Indiana Neighborhood
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