短语词组短語nut t cap 螺帽RETAINING NUT FOR CAP 頂蓋用鎖緊螺母Firewire Square Nut Receptacle Cap 連接器類型nut cap screw cap 螺帽nut cap reflected wave 蓋帽反射波cap nut 螺冒nut for plain cylinder cap 簡單氣缸罩螺母upper cap nut [機]上螺母 返回 nut cap