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【单选题】

To prevent a wooden hull from leaking you caulk it().

A、after drydocking,while the hull is moist

B、after drydocking,and the hull has dried

C、afloat,where it is leaking

D、afloat,in all accessible areas

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第3题

Awooden blocks or dunnage placed between a deck load and the deck  B、the chains and shackles used to secure to deck cargo  C、a crate in which a deck cargo is packaged  D、cardboard separation pieces placed between deck loads to prevent chafing  

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第4题

Awooden blocks or dunnage placed between a deck load and the deck  B、the chains and shackles used to secure a deck cargo  C、a crate in which a deck cargo is packaged  D、cardboard separation pieces placed between deck loads to prevent chafing  

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第5题

AA.wooden blocks or dunnage placed between a deck load and the deck  B、B.the chains and shackles used to secure a deck cargo  C、C.a crate in which a deck cargo is packaged  D、D.cardboard separation pieces placed between deck loads to prevent chafing  

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第6题

Awooden planks  B、rush mats  C、steel bars  D、wooden planks and rush mats  

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第7题

AWooden planks  B、Rush mats  C、Steel bars  D、Wooden planks and rush mats  

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第8题

Aand preventer have equal stress  B、stronger than the preventer to minimize the danger of separation  C、take a lighter load than the preventer as a safety factor  D、take the stress in case the preventer parts  

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第9题

A、filling completely  B、developing free surface  C、developing free surface moment  D、collapsing  

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