carling
... 舱纵桁 hatch side girder 短纵桁 carling 甲板纵骨 deck longitudinal ...
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纵桁短角材 stringer lug
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机械装臵、带缆桩、艇吊和其它重型负载集中区域下方的甲板应采用短纵桁或复板进行加强，具体应经过船级社认可。
Decks under machinery, bollards, boat davit and other heavy concentrated loads to be reinforced by carling or welded doubler where necessary as approved by Class.
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短纵桁
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