Sometimes "deleted" pages may say "404" or "Not found" on the page, but actually return a 200 status code in the page header; so it's good to use a proper header-checking tool to double-check.
有时“已经删除”页面可能会显示“404”或者“没有找到”，但事实上是在页头显示200状态代码；因此最好使用合适的页头检查工具再三核查。
so it's good to use a proper header-checking tool to double-check.
因此最好使用合适的页头检查工具再三核查。
The paper gives a detailed introduction to the typical structure and manufacturing method of drum, waterwall, burner and waterwall header of the 300mw double arch furnace boiler produced by DBC.
文章以DBC制造的300MW“W”形火焰锅炉为例，详细地介绍了锅筒、水冷壁、燃烧器和水冷壁集箱的典型结构和制造方法。
Although the user record class appears in class View, double-clicking it navigates to the command or table class in the header file instead.
虽然用户记录类出现在“类视图”中，但双击它时却会定位到头文件中的命令或表类。
Double click the empty space on the site header and choose your own background color!
双击网站标题上的空白处，并选择您自己的背景颜色！
Find option "Header Search Paths" and double click on it.
查找选项“标题搜索路径”，并双击它。
He had been nursing a slight thigh problem, but is still expected to be fit for the double header against Belize next week.
他一直有轻微的大腿问题，但预计下周连续对阵伯利兹的两场比赛他仍适合出战。
He had been nursing a slight thigh problem, but is still expected to be fit for the double header against Belize next week.
他一直有轻微的大腿问题，但预计下周连续对阵伯利兹的两场比赛他仍适合出战。
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