单项选择题
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
A.Lead
B.Babbitt
C.Solder
D.Nothing
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相关考题
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单项选择题
What is the main purpose of dunnage（）.
A.To act as ballast for light vessels
B.To provide ventilation and drainage for cargo
C.To secure the tarpaulins in place
D.To support weakened bulkheads -
单项选择题
What is the bow type anchor shackle primarily used for（）.
A.Chain to chain connections
B.Chain to anchor connections
C.Kenter link to anchor connections
D.Wire rope connections -
单项选择题
What is NOT running rigging（）.
A.Downhaul
B.Backstay
C.Halyard
D.Sheet
