Each hose in the fuel transfer system for helicopter refueling must meet the standards of the（）.<br>A:Federal Aviation Administration<br>B:Corps of Engineers<br>C:National Fire Protection Association<br>D:National Transportation Safety Board

Each hose in the fuel transfer system for helicopter refueling must meet the standards of the（）.
A:Federal Aviation Administration
B:Corps of Engineers
C:National Fire Protection Association
D:National Transportation Safety Board

出自：海船船员证

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