They get small Sis at Lan wave building front vacant land up fight snow battle.

他们领着小厮们在澜波馆前面空地上打雪仗。

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The supervisory information system(SIS) and its database platform PI(plant information)real-time database, data flow and point building technology in PI database are introduced.

介绍了厂级监控信息系统（SIS）及其数据库平台PI实时数据库、PI数据库中的数据流程以及PI数据库的建点技术。

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