Special thrust devices are provided on ships to improve their （） at zero ship speed when the rudder is relatively ineffective.<br>A:brake capabilities<br>B:reversing capabilities<br>C:maneuvering capabilities<br>D:acceleration capabilities

Special thrust devices are provided on ships to improve their （） at zero ship speed when the rudder is relatively ineffective.
A:brake capabilities
B:reversing capabilities
C:maneuvering capabilities
D:acceleration capabilities

出自：海船船员证

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