One end of the windpipe is connected with a unidirectional inflating valve.气管的一端与单向充气阀连接.Experiment materials: jar , windpipe, limewater, flume and the experiment record chart for each group.学生用材料: 广口瓶 、 导气管 、 石灰水、火柴、集气瓶...
A cock is valiant on his own dunghill.夜郎自大Nationalism is a silly cock crowing on its own dunghill.公鸡总是在自己的粪堆上称雄.Every cock crows on its own dunghill.夜郎自大。Nationalism be a silly cock crow on It own dunghill.民族主义,是在自己的小天地里...
These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶界形核.A simplified model of isothermal austenite grain growth has been developed.在分析现有描述奥氏体晶粒长大模型的基础上,提出一简化模型.The...