题型:填空题 请观察以下表格,找出对物体动能影响较大的是什么因素?并说出你的判断依据. 物体质量m(kg)速度V(m/s)动能E(J)子弹约0.01约800约3200运动员约60约10约3000牛约600约0.5约75 查看答案
题型:填空题 Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by().A.any certificated tankermanB.the master of the vesselC.the officer of the watchD.the person designated as person in charge 查看答案