题目内容

燃烧产物中水蒸汽冷凝呈汽态时的发热值称()。

A. 低发热值
B. 高发热值
C. 固定发热值

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智慧社区服务平台建设是为了服务社区民众,建设重心是社区。

A. 正确
B. 错误

An administrator is defining an lpp_source calledlpp_AIX6 in NIM when the following warning message is displayed in the output:warning: 0042-267 c_mk_lpp_source: The defined lpp_source does not have the 'simages' attribute because one or more of the following packages are missing: Bos bos.net bos.diag bos.sysmgtbos.terminfo bos.terminfo.all.data bos.mp64 devices.common bos.64bit. What does this warning message mean?()

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运输乙烯的汽车槽车的储槽为双层储槽,其内胆为低温钢,外壳为碳钢,内胆与外壳之间为固体保冷层或真空绝热层。

A. 正确
B. 错误

采用保护箱时,各机构所有电动机第三相的总过电流继电器动作,使()。

A. 总接触器释放
B. 断路器断开
C. 熔断器断开

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