短語詞組短語jointing compound [機]密封劑;接郃劑;油灰抹子;膠結(jié)劑graphite coating jointing compound 石墨接郃劑Imported Jointing Compound 進口嵌縫膏;供應(yīng)進口嵌縫膏jointing g compound 油灰抹子 返回 compound jointing