题目内容

隐患是指技术系统中存在的各种能量形态客观的()。
A 危险源;
B 危险度;
C 危险性

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Regus offers for immediately available, fully-furnished, serviced offices in a growing number of locations worldwide. We bring together people, property
41 and technology to provide a platform. for doing the business on flexible terms
42 wherever, and whenever, you do require. You can hire an office for a day, a
43 week, a month, a year or however long you need them to. You can do it as
44 easily as you would book a hotel or rent a car, and, with our management
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某往复活塞压缩机的工作压力为12MPa，它属于()压缩机。

A. 高压
B. 中压
C. 低压