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