4吨60千克=______吨0.32公顷=______平方米.
(1)4吨60千克=4.06吨;
(2)0.32公顷=3200平方米.
故答案为:4.06,3200.
. In September 2008 , China’s key milestone in space travel_____when Zhai Zhigang conducted the first space walk.
A.reached
B.was reached
C.has reached
D.had been reached
高速船由于速度快、排水量小,在用舵旋回转向时,可能会产生较大的横倾,如果必须快速回转,最好是先降速或进入排水状态,然后再回转。