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

單項選擇題

All of the following can be determined by use of a stabilogauge except().

A.metacentric height
B.mean draft
C.moment to trim one inch
D.Deadweight

微信掃碼免費搜題