单项选择题
The deck control valve to be（）after being repaired.
A.moved and fitted again B.removed and refitted C.reproduced and put on again D.returned and attached again
单项选择题 The damaged derrick（）now.
单项选择题 The damaged cargo is not allowed to export without（）.
单项选择题 The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?（）
