The longer the ignition delay period occurs in a diesel engine, the （）. less fuel will enter the cylinder。 lower will be cylinder compression temperatures。 more complete will be fuel combustion。 more rapid will be the rise in combustion pressure。
影响培训需求的因素有常规因素和非常规因素。
简述虾维生素C缺乏病的防治方法。
将数据组成适合于正确传输的帧形式，提供可靠的信息传送机制是（）。 物理层。 链路层。 传输层。 会话层。
when （），the provisions of the Bill of Lading will be used as a basis for settlement. an event is in connection with the marine peril at sea。 a matter is linked to a person injury。 a fact is being contacted by Charter Party。 a case is related to dispute about cargo。
Poor combustion in a diesel engine can be caused by （）.
