计算题:两台410吨/小时的锅炉正常运行过程中,水汽损失量16.4吨/小时,求其水汽损失率。
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One of your customers has decided to deploy location-based services in addition to existing wireless services. the customer requires that the additional access points to be deployed in monitor-only modE. The most likely reason for this requirement is that the customer has which of these existing wireless devices?()
A. data collection
B. 802.11b/g voip
C. 802.11b and g clients
D. rfid tag
电报等级中的遇险报代码为()
A. FF
B. DD
C. SS
D. GG