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。
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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