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Under the old system of pointer fire, each gun was practically an independent unit.
在老式的瞄准手射击时代，每一门炮都是各打各的。
youdao
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The base bleed unit is used to give an increased range of fire.
这种底部排气装置可以增大射程。
youdao
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The base bleed unit is used to give an increased range of fire.
这种底部排气装置可以增大射程。
youdao