A. 打开帮助菜单 B. 打开对象属性对话框 C. 最小化演示文稿窗口 D. 最小化功能区
A. 支架或支脚筒 B. 轮胎 C. 垫木 D. 石块
A. ship in distress and assisting units B. NCS and RCC C. RCCs and „0n-scene commander‟ or “co-ordinator surface search” D. ship in distress and coast statio