短语词组短语single buoy mooring system 单点系泊系统;单浮筒系泊系统exposed location single buoy mooring 外港单浮筒系泊;暴露定位单点浮泊开敞水域单点系泊single point mooring buoy 单点系泊浮筒;单点系泊浮简;单点系泊浮筒单点系泊浮筒单点系泊浮筒single mooring buoy 单点系泊浮筒 返回 single buoy mooring