[单选] It is the responsibility of the Master or person in charge of a ship to ensure that().
A . the station bill is posted in each compartment B . temporary personnel and visitors are advised of emergency stations C . names of crew members are listed on the station bill D . no changes are made to the station bill
透平膨胀机的理论原理是()。 热力学第一定律。 热力学第二定律。 熵增原理。 熵减原理。
被捕食动物为了生存,总是具有反捕食策略,下列哪些行为是动物的反捕食策略:() 猫在排大便后,总是掩埋自己的粪便。 东方铃蟾遇到敌害口足朝上,露出腹部。 英国桦尺蠖的工业黑化。 王蝶具有艳丽的色斑。
自办展中,会展场馆扮演的是()。 展览组织者。 展览服务者。 展览辅助者。 展览参与者。
In the cargo winch, spur reduction gearing transfers the motor drive to (). the toping light。 the board brake。 the fail-safe。 the barrel shaft。
熄焦操作主要是控制水分的稳定。
It is the responsibility of the Master or person in charge of a ship to ensure that().