题目内容

电焊可产生的危害有哪些?怎样加以防护?

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某焊装车间由于生产过程中违规作业,引发大火。此时你拿起电话,拨打了“119”电话报警,你需要向接警员汇报哪些情况?

采掘工作面及其他巷道内,体积大于()m3的空间内积聚的瓦斯浓度达到2.0%时,附近20米内必须停止作业,撤出人员,切断电源,进行处理。

A. 1
B. 0.3
C. 0.5
D. 1.5

You are designing a strategy for synchronizing a SQL Azure database and multiple remote Microsoft SQL Server 2008 databases. The SQL Azure database contains many tables that have circular foreign key relationships. You need to recommend an approach for ensuring that all changes in the remote databases synchronize with the SQL Azure database. What should you recommend?()

A. Use SQLAzure Data Sync Service.
B. Use SQL Server replication.
C. Use SQL Server backup and restore.
D. Use SQL Server database snapshots.

“应付账款’账户,主要适用于()。

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