题目内容

风机轴承进油压力低于（）Mpa，采取措施无法恢复时应紧急停机。

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You work as a network engineer at TestKing.com. TestKing users have noticed extremely slow network performance, intermittent connectivity, and connection loss. After entering the show interfaces command, you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that there is evidence of late collisions. What could be the cause of this problem?（）

A. duplex mismatch
B. a routing loop
C. trunking mode mismatch
D. improperly configured root bridge
E. improperly configured static VLAN

政治参与的制约因素主要有（）

A. 社会经济发展
B. 政治制度
C. 社会地位
D. 政治心理

对不合格品处置的四种方式是什么？

剥线钳可剥截面在（）的导线绝缘层。

A. 1mm²
B. 1.5mm²
C. 2.5mm²以下
D. 2.5mm²以上