单选

Which of the following statements is TRUE regarding crane operations ________．

A.Radio communications allow the crane operator to disregard the use of hand signals
B.The crane operators and signalman must be familiar with the correct hand signals
C.The forward cranes can be operated from the bridge
D.The aft cranes can be operated from the aft steering station

试题出自试卷《航海英语(甲类船长)航海仪器单选题练习2》

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