短语词组短語jumbo stern quarter ramp 大型船尾斜吊板stern quarter ramp 尾斜吊橋slewing stern ramp 廻轉跳板angled stern ramp 船尾斜引橋axial stern ramp 尾直跳板stern ramp slipway 尾滑道stern ramp trawler 尾滑道拖網漁船stern ramp plating 艉滑道鋪板ramp stern 滑道型艉 返回 stern ramp