“负责日常事务的组织与协调、档案管理、对外接待、后勤服务等工作”属于组织部门中()的基本职责。 ["行政部门","财务部门","市场部门","推广部门"]
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矿砂船的特点是:() ①、货舱口较宽大; ②、双层底高; ③、内底板均采用加厚措施; ④、有的对货舱采取重货加强措施; ⑤、货舱两侧的边舱较小 ["①、②、③、④","②、③、⑤","①、②、③、④、⑤","①、②、③"]
矿砂船的特点是:() ①、多为尾机型和全通单甲板; ②、双层底高便于提高船舶重心; ③、与其它船相比货舱舱容小而压载舱舱容大 ["①、②","②、③","①、③","①、②、③"]
低压电器常用灭弧方式?
MT系列断路器是如何实现储能的?