centre of gravity
centre of gravity
[消防英汉词典]
centre of gravity重心
是什么意思，centre of gravity的解释，centre of gravity的翻译
[仪器仪表英汉词典] centre of gravity
[原子能英汉词典] centre of gravity
[英汉机械工程大词典] centre of gravity
[物理学英汉词典] centre of gravity
[能源英汉词典] centre of gravity