A well-aimed cannon ball could hit below its iron covering and sink it.
一枚炮弹准确地打在它的铁皮下面，并使战舰往下沉。
Angle iron is specified at the edges as a protective device for the covering plate.
按照规定，盖板边缘加装角钢起保护作用。
Angle iron is specified at the edges as a protective device for the covering plate.
按照规定，盖板边缘加装角钢起保护作用。
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