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每批炉料的矿石先装入炉内，焦炭后装入炉内，称为（）装。

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目前国内智能变电站过程层数字采样使用的规约主要是：（）

A. IEC61850-9-2
B. IEC61850-9-1
C. IEC60044-8
D. IEC61850-8-1

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单相交流调压器对于电感性负载，控制角α的移相范围为0°～180°

A. 正确
B. 错误

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变电（换流）站土建工程分项工程质量验收合格应符合哪些规定？

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Your database is running in NOARCHIVELOG mode. You want to put the database in ARCHIVELOG mode. Which two statements regarding archive log destinations are true？（）

A. The destination must be global only.
B. A maximum of five destinations can be assigned.
C. A maximum of ten different destinations can be assigned.
D. All the destinations are determined by the server automatically.
E. The destination may be local or remote for a Standby Database.
F. The destination can be changed by setting the LOG_ARCHIVE_FORMAT initialization parameter.

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