Please making sure to dry your hands when open the door that for fear water (or other solution) to rust locks and handle.
开启门时请务必将双手擦干，以免水渍（或其他溶液）造成把手生锈。
Steel parts are usually covered with grease for fear that they should rust.
钢制零件通常涂上润滑脂，以防生锈。(为了防锈，钢制零件通常需涂上润滑脂。)
Steel parts are usually covered with grease for fear that they should rust.
钢制零件通常涂上润滑脂，以防生锈。(为了防锈，钢制零件通常需涂上润滑脂。)
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