99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

During counterflooding to correct a severe list or trim aggravated by an off-center load,a ship suddenly takes a list or trim to the opposite side. You should().

A.continue counterflooding in the same direction
B.continue counterflooding,but in the opposite direction
C.immediately stop counterflooding
D.deballast from the low side

微信掃碼免費(fèi)搜題