无: not have; there is not; be w ...碍: hinder; obstruct; be in the ...航: boat; ship物: thing; matter; object的: 4次方是 The fourth power of 2 i ...港: harbour; port无碍航物的: clean开敞海岸；无碍航物的海岸: open coast无碍航物水域: clear water无碍航物锚泊地: clear anchorage碍航物: navigational danger碍航物标志: obstruction marker碍航物灯标: obstruction light碍航物浮标: danger buoy碍航物界限: limiting danger line碍航物距离: obstruction clearance无碍航海岸: clear coast for navigation无碍航区: clear area for navigation外围的碍航物: off lying danger孤立碍航物浮标: isolated danger buoy孤立碍航物立标: isolated danger beacon碍航: impeding navigation无碍: mugi商船停泊以装卸货物的港口: order port碍航区: difficult area
