单项选择题
A.does not exceed
B.should exceed
C.should be up to
D.should be no more than
单项选择题 The total leg load reactions on an independent leg，self-elevating unit include static and（）.
单项选择题 The terminal stuff tallies the cargo mainly before the ship’s（）.
单项选择题 The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge，and in a few minutes the pressure drops sharply. This could be a result of the（）.