单项选择题

Holes in the bulwark，which allow deck water to drain into the sea，are（）.

A.doggers
B.fidleys
C.freeing ports
D.swash ports

相关考题

Gross tonnage indicates the vessel’s（）.A.displacement i...

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B.total weight including cargo
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Grinding to eliminate shallow surface defects should be...

单项选择题Grinding to eliminate shallow surface defects should be done（）.

A.parallel to the longitudinal direction of the chain
B.perpendicular to the direction of the anchor chain
C.diagonally across the link of the anchor chain
D.around the circumference of the chain link

Fuel oil tank vents are fitted with a screen which will...

单项选择题Fuel oil tank vents are fitted with a screen which will stop（）.

A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent

船体设备

Holes in the bulwark，which allow deck water to drain into the sea，are（）.