Which three address ranges are used for internal private address blocks as defined by RFC 1918?（） [" 0.0.0.0 to 255.255.255"," 10.0.0.0 to 10.255.255.255"," 172.16.0.0 to 172.16.255.255"," 172.16.0.0 to 172.31.255.255"," 127.0.0.0. to 127.255.255.255"," 192.168.0.0 to 192.168.255.255"," 224.0.0.0 to 239.255.255.255"]
有齿轮曳引机是由（）等部件组成。 ["电动机；","制动器；","减速器；","曳引轮"]
今天的民众不关注经济增长，也不关注环保问题。
第一个百年，是毛泽东在1961年接见英国元帅蒙哥马利时讲的。他说：“在我国，要建设起强大的社会主义经济，我估计要花一百多年。”
如下图所示，元件（）是压力传感器，元件（）是比例电磁阀。
冷暖
