单选题
发布日期:2021-03-22
for securing a snatch block when snaking cargo into the wings of the hold
to prevent cargo from coming in contact with the vessel's frames or shell plating
to provide fittings to which cargo lashings may be secured
to support the dunnage floors which are laid down between tiers of cargo
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In a general cargo crane, () is fitted to raise or lower the jib.
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In a general cargo crane, () is fitted to lift the cargo load.
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In a ordinary cargo crane, () is fitted to rotate the crane.
In a general cargo crane, () is fitted to lift the cargo load.