【单选题】压力容器压力表所测得的压力是表压力,它属于()。
【判断题】按照资源为基础的观点,构建、保持和发挥企业核心竞争力既是企业战略选择的依据,也是企业实施战略管理的目的。
【判断题】压力容器由于承压和介质条件的特殊性,存在着失效以致压力容器的危险,压力容器压力容器不仅损坏压力容器本身,而且会危及整个装置和地区的安全,造成国家财产和人员的伤亡。
【单选题】The manager, as well as some workers ______ yesterday afternoon.
【单选题】The manager, as well as his advisors, ( ) to attend the world fair. ( )
【单选题】The manager, as well as his advisers, _____ to attend the meeting.
【判断题】典型积分环节相频特性φ(ω)=-90°。()