防止生锈 meaning in English

rust inhibition coating
rust protection

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。（或：为了防止生锈，钢制零件通常需涂上润滑脂。）
In short , it has magic functions such as cleaning , lubricating , protecting of machines ; eliminating moisture and preventing rusting
消除零件或移动装置因磨擦引起的杂声，具有清洁、润滑及保护各种机器和去除湿气、防止生锈等特效功能。