短语词组短語TH Threaded Flange 螺紋法蘭Threaded flange THDF 螺紋法蘭non -standard threaded flange 非標準螺紋法蘭Mounting holes with threaded flange 安裝有螺紋孔法蘭Flange Threaded 法蘭連接 返回 threaded flange