【单选题】Always acting in a strange way, Einstein must have __________ to people around to be mad.
【单选题】way of acting or behavior toward other people
【单选题】Always acting in a strange way, Einstein must have ___appear to people around to be mad.
【判断题】归类总归则二(二)是针对材料或物质是混合品或组合品,以及由两种或多种材料或物质构成的货品的归类规则。
【单选题】为避开铸圈热中心,熔模应位于铸圈内径的中心,靠近铸圈顶端的
【单选题】独立避雷针与避雷装置的空间距离不应小于( )米。