题目内容

一污水装置来水中污油主要以哪几种形式存在，分别由哪种构筑物去除？

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本市应当采取措施，推动公共服务行业以普通话和本地方言为服务用语。

A. 正确
B. 错误

按照系统的用途和组件配置，闭式自动喷水灭火系统的分类不包括（）。

A. 湿式系统
B. 干式系统
C. 预作用系统
D. 雨淋系统

Captain Marion’s Videography delivers Internet digital video using 9 MPEG video encoders and astatistical multiplexer. Channels are packed into a 6-MHz channel bandwidth.The MPEGmultiplexe monitors and allocates the appropriate bandwidth. The multiplexer measures available bandwidth and feeds back signaling to the MPEG encoders. Coding rates are then increased ordecreased. Packet generation from each input source is controlled such that no packets aredropped and no extra null packets can be generated. These bandwidth and traffic requirements work best with which mode of video delivery？（）

A. fixed broadcast
B. open looped
C. quality equalization
D. VoD delivery

吹塑设备组成部分中不含（）

A. 吹针
B. 顶针
C. 模具
D. 液压泵