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

At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those ().

A.noted by the bridge officer
B.told by last duty engineer
C.observed
D.in the instruction manual

微信掃碼免費(fèi)搜題