| 单词 | operational base |
| 释义 | operational base By 1994 it was a comfortable, technologically advanced operational base. Retrieved from Wikipedia CC BY-SA 3.0 This base was the only operational base used by all three navies. Retrieved from Wikipedia CC BY-SA 3.0 This marked one of the last uses of the fort as an operational base. Retrieved from Wikipedia CC BY-SA 3.0 Each patrol was provided with a concealed underground operational base, usually built in woodland and camouflaged. Retrieved from Wikipedia CC BY-SA 3.0 That plan calls for seizing the airfield and using it as an operational base for our air and land force. Retrieved from Wikipedia CC BY-SA 3.0 |
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