hight duty bollard
... highly-elliptic orbits 高偏心轨道 hight duty bollard 重型带缆桩 highway tractor 运输车 ...
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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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