什么是艇甲板？
什么是连续冷却相变曲线（CCT）？
An indicator card or pressure-volume diagram, shows graphically the （） ["compression ratio of the engine","volume of the engine","relationships between pressure and volume during one stroke of the engine","relationships between pressure and volume during one cycle of the engine"]
企业的营销战略和营销计划通常是由（）的专业计划人员制定的。 ["上层","中层","下层","低层"]
Instructions for training of new seamen are usually found in（）. ["Decklogs","Night Orders","Standing orders","Muster List"]
什么是驾驶甲板？
