控制变量法是实验探究的重要方法如图1下面是实验小组的同学为探究铁生锈的条件设计的实验方案请回答有关问题.1实验中植物油的作用是防止 Template




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tomski控制变量法是实验探究的重要方法如图1下面是实验小组的同学为探究铁生锈的条件设计的实验方案请回答有关问题.1实验中植物油的作用是防止 coloring