单项选择题
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
A.The cranes may be operated independently B.The cranes may be interconnected for twin operation C.The cranes are powered by independent internal combustion power units D.All of the above
单项选择题 Which method should be used to warm up the pump turbines prior to discharge（）.
单项选择题 Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
单项选择题 When viewed from above，the best position for the guy in relation to the boom is（）.
