按行业沿用标准制造的吊钩,其危险断面磨损量应不大于原尺寸的()。 ["5%","10%","15%"]
进厂材料检验是把住质量关的第一道工序。
民主式
Which method in the Thread class is used to create and launch a new thread of execution?() [" Run();"," Start();"," Execute();"," Run(Runnable r);"," Start(Runnable r);"," Execute(Thread t);"]
要缩放表格时,在()视图上,将指针置于表格右下角控点上,直到出现一个双向箭头,将表格的边框拖动到所需尺寸即可。 ["普通","大纲","页面","预览"]
榜样式