题目内容

硫化风机属于下列哪一种风机()。

A. 轴流风机
B. 罗茨风机
C. 离心风机
D. 氧化风机

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听证会由税务机关负责人指定的非本案调查机构的人员主持,当事人、本案调查人员及其他有关人员参加。

A. 正确
B. 错误

当乘客在轿门关闭过程中,通过入口时被门扇撞击或将被撞击,一个保护装置应自动地使门重新开启。此保护装置的作用可在每个主动门扇最后()的行程中被消除。

A. 30mm
B. 50mm
C. 80mm
D. 100mm

何谓电击?

You have the following requirements in relation to the detection of block corruption for your database instance: Check for logical self-consistency of data blocks when modified in memory. Checksums are calculated before and after the block change. Checks are performed for the lost writes to the physical standby database. Which method would help you perform the above checks automatically?()

A. Set the DB_SECUREFILE parameter to PERMITTED
B. Set the DB_ULTRA_SAFE parameter to DATA_ONLY
C. Set the DB_LOCK_CHECKSUM parameter to TYPICAL
D. Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL

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