单项选择题
In order to withstand fluid head pressure on a ship,stiffeners are often attached to the bulkhead().
A.penetrations B.plating C.framing D.brackets
单项选择题 I saw the cargo surveyor()the cargo on deck just a minute ago.
单项选择题 Hatch No.1 must be cleaned up to meet the()of the cargo surveyors.
单项选择题 During fueling,all doors,hatches,and ports().