poppetn. 寶貝、有孔小珠、隨轉尾座學術名詞艏艉托架:造船工程、機械工程提動:電機工程、機械工程織繡小稜子:紡織科技裝軸臺:電機工程艏[艉]托架:海事英文釋義a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines