automatic door closing device
常見(jiàn)例句
- The utility model relates to an automatic opening and closing device of a bus door. The utility model particularly relates to an automatic sliding device of the bus door.
本實(shí)用新型涉及一種客車(chē)車(chē)門(mén)的自動(dòng)啟閉裝置，特別是一種客車(chē)車(chē)門(mén)自 動(dòng)滑移裝置。
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