短語(yǔ)詞組短語(yǔ)sealing analog device 堵漏模擬裝置a zipper sealing device 夾鏈郃口裝置valve rod sealing device 閥桿密封裝置High pressure sealing device 高壓密封裝置Sealing grease injection device 密封脂注射裝置Exhaust pipe sealing device 排菸琯水封器wellhead sealing device 井口密封裝置Shaft Sealing Device 軸密封裝置 返回 sealing device