... [钢筋]混凝土船 reinforced concrete vessel 加强孔 reinforced hole 加强龙骨墩 reinforced keel block ...
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下封头上开有84个管壁加强孔。
There are altogether 84 pipe reinforcement holes on the head.
船壳板、甲板等处必要的开孔应圆滑并进行加强。
Opening in the shell plating, deck plating etc. to be rounded and reinforced where necessary.
对倒向轴线两侧一定范围内的药孔加强了装药量，使爆破取得圆满成功。
Strengthening the charge weight in the charge holes of the certain areas in the two sides falling to the axis makes the blasting succeed.
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