你可能感興趣的試題

During fueling，all doors，hatches，and ports（）.

A.to windward should be opened and the ones to leeward should be closed
B.to leeward should be opened and the ones to windward should be closed
C.should be opened
D.should be closed

單項(xiàng)選擇題

Cracks may be prevented from developing at the corners of welded plating inserts by（）.

A.squaring the corners
B.rounding the corners
C.plug welding the corners
D.slot welding the corners

Hatch No.1 must be cleaned up to meet the（）of the cargo surveyors．

你可能感興趣的試題

During fueling，all doors，hatches，and ports（）.

Cracks may be prevented from developing at the corners of welded plating inserts by（）.

During fueling，all doors，hatches，and ports（）.