短語詞組短語boom swivel bearing 動臂旋轉接頭軸承;氫氧化鈉body swivel bearing 球形止推軸承Frost swivel bearing 霜凍旋轉軸承swivel joint roller bearing 軸承3 bearing swivel duct 軸承偏轉噴管bearing swivel duct 軸承偏轉噴管 返回 swivel bearing