Given an ActionEvent, which method allows you to identify the affected Component?() [" Public class getClass()"," Public Object getSource()"," Public Component getSource()"," Public Component getTarget()"," Public Component getComponent()"," Public Component getTargetComponent()"]
催化燃烧式可燃气体探测器此类探测器是在白金电阻的表面制备耐高温的催化剂层,在一定的温度下,可然性气体在催化燃烧其表面燃烧使白金电阻().变化值是可燃性气体浓度的函数. ["温度升高","电阻变化","下降","凝结"]
当钢丝绳绳径d≤16mm时,可用两个绳卡固定绳端。
“删除单元格”在()菜单下。 ["编辑","插入","表格","视图"]
当钢丝绳外层钢丝磨损达到其直径的()时,钢丝绳应报废。 ["10%","40%"]
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