A VESSEL,OTHER THAN A RESCUE UNIT,DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as(). ["salving vessel","Co-ordinator surface search","MERSAR","the vessel being salved"]
什么是大分子药剂?浮选中主要应用的有哪些?
出现环境侵权行为,环境侵权人不一定要承担责任,可能存在免责事由。下列不属于免责事由的是()。 ["环境侵权人不愿承担责任","不可抗拒的自然灾害","受害人的过错","战争行为"]
DKJ-2000调车监控记录系统符合铁路信号产品KX3等级要求。
哺乳母亲可以不禁止使用的药物是() ["红霉素","氯霉素","青霉素","庆大霉素","甲硝唑"]
什么是水炒?举例说明菜肴特点。