Была середина ноября, ________ стоял лютый мороз.
参考答案: но ( а )
一块梯形土地,上底是420米,下底是480米,高是240米,这块土地的面积是______平方米,合______公顷.
Deballasting a double bottom has what affect on KG().
A.KG is increased
B.KG is decreased
C.Kgis not affected
D.KG increases at light drafts and decrease at deep drafts