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

<ruby id="6gojz"><output id="6gojz"></output></ruby>

單項選擇題

In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.

A.center of gravity
B.metacenter
C.center of flotation
D.keel

你可能感興趣的試題

單項選擇題

Increasing free surfaces has the effect of raising the（）.

A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height

單項選擇題

Increasing the number of slack liquid tanks has the effect of raising the（）.

A.uncorrected KG
B.maximum allowed KG
C.virtual height of the center of gravity
D.metacentric height

<sup id="a7gi8"><legend id="a7gi8"><div id="a7gi8"></div></legend></sup>