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

The indication of a slipping anchor is a(n)().

A.Decrease in mooring line length
B.Increase in the opposite amperage
C.Increase in the opposite line tension
D.Decrease in mooring line tension and amperage

微信掃碼免費(fèi)搜題