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单词
observation of fire
释义
observation of fire
observation of fire
[
‚äb·zər′vā·shən əv ′fīr
]
(ordnance)
Act of watching artillery fire in order to locate the burst or impact of projectiles in respect to the target and to correct firing data; surveillance of fire; may be made from the ground or from the air.
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on-site chemical generation
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on-site inspection
on-site inspection activity
on site inspection agency
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更新时间：2025/11/30 21:29:14