单项选择题
A.high lube oil viscosity
B.increased lube oil consumption
C.low lube oil temperatures
D.high firing pressures
单项选择题 In the voyage, when carrying out abandon ship drill, should be test every time().
单项选择题 In order to strengthen maritime security and prevent and suppress acts of terrorism against shipping, a new, comprehensive security regime for international shipping was set to enter into force in July 2004 The new regime is().
单项选择题 The SOLAS convention prescribes that in the fire fighting drill the duty engineer should start the pump and supply deck water in() minute(s).