电源屏、控制台、各种机柜、控显设备等所有室内设备必须与（）绝缘。
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其中电源屏输入电源和不稳压备用电源，为非隔离电源，微机监测不进行（）。
（）的《平凡的世界》、霍达的《穆斯林的葬礼》等获得了第三届“茅盾文学奖”。
Which three features of the IMAP are available on a Cisco Unity Express module?（）
A. Download e-mail messages as attachments to voice-mail messages.
B. Access voice-mail messages from general delivery mailboxes (GDM)s.
C. Access voice-mail messages over the network or download them selectively.
Delete voice-mail messages or mark them as read or unread in a manner similar to e-mail messages.
E. View instant messages and voice-mail messages from a single integrated e-mail type client using IMA
F. Play voice-mail locally using standard media players without requiring a connection to Cisco Unity Express.
（）硫化氢监测仪监测仪探头置于现场硫化氢不易泄漏区域，主机可安装在控制室。
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