短語詞組短語centre coordinate of gravity 重心坐標(biāo)economic centre of gravity 經(jīng)濟(jì)重心lateral centre of gravity 橫重心centre of gravity adjustment 重心調(diào)整centre of gravity definition 重心定位centre of gravity place [物]重心位置centre of gravity location 重心定位cg centre of gravity 廣義transverse centre of gravity 橫重心 返回 centre of gravity