Recommended Uses Widely used on the storage tank, pipe, channel etc. Besides used on the equipment of the waster disposal plant, concrete pool, chimney as the anticorrosive coating.

推荐用途广泛使用于化工厂的储罐、管道、沟槽、杆、架等，污水处理的设备、混凝土池和槽，脱硫装置设备、排烟烟囱，作为耐强腐蚀介质的涂层。

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The servlet filter USES log4j to log some information during processing and it is recommended, though not required, to enable the logging.

servlet筛选器在处理期间使用log4j记录一些信息，建议启用日志记录(但不是必需的)。

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The book uses a fictional software project to illustrate the recommended processes and procedures: a new release of the SpeedyWriter word processor and its associated suite of office tools.

本书使用一个虚构的软件项目来说明推荐的过程和程序：一个刚发布的 SpeedyWriter 单词处理器和与之相关的 office 工具组件。

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