red and black chequers buoy的意思|示意

红黑方格浮瓣 ... red all-round light 红色环照灯 red and black chequers buoy 红黑方格浮瓣 red and black chequers buoy 红黑方格浮标 ...

红黑方格浮标 ... red and black chequers buoy 红黑方格浮标 black buoy white vertical stripes 黑白竖纹浮标 black and white chequers buoy 黑白方格浮标 ...