解体检修电动机与它的控制箱。
改造后的灰渣箱圆门结构统一，给检修带来了方便，并取得了较好的经济效益。
After the retrofit, the configuration of the round gate on the ash box is unified, bringing convenience in repair and yielding good economic benefit.
工程师们决定把航天飞机送回机棚进行检修，或者还掉燃料箱。
Managers decided to return the ship to a processing hangar for detailed inspections and repairs to or replacement of the tank.
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