当手动勃氏透气仪的测定结果与自动勃氏透气仪的测定结果发生争议时，以自动勃氏透气仪的测定结果为准
Which of the following is not a characteristic of Cisco Express Forwarding？（） ["The adjacency table is populated from a router’s ARP cache","CEF does not require the first packet of a data flow to be process switched","CEF maintains the Forward Information Base and the adjacency table","CEF can be enabled with the interface command ip cef","The FIB is populated from a router’s IP routing table","On most router platforms CEF is enabled by default"]
什么叫位置公差？根据其几何特征，它分成几类？
饲粮
教育者要善于抓住生活中有教育价值的点点滴滴，及时对学前儿童进行教育。这是学前儿童社会教育过程中（）原则的要求。 ["情感支持","生活教育","正面教育","实践性"]
动火作业分几类？
