短語詞組短語protective casing tube 防護套管auto -protective tube 自動保護x射線管Digital protective tube 足趾保護墊dual porcelain protective tube 雙瓷管cable protective tube 導(dǎo)線護管heater protective tube 熱防護管protective tube material 保護thermocouple protective tube 熱電偶保護管 返回 protective tube