How can I remove the rust from the iron door?
我怎样才能把铁门上的锈除掉呢？
Sunday could remove the rust of one week.
星期天能去掉一个星期的锈迹。
Remove rust and apply paint once a year.
每年应除锈蚀进行一次油漆。
Remove scale, in the process of assembly parts surface oil, in case of rust.
去掉氧化皮，装配过程中零件表面涂上油，以防锈蚀。
Remove rust, scale, paint, solder and more.
除锈，氧化皮，油漆，焊料等。
Remove rust, scale, paint, solder and more.
除锈，氧化皮，油漆，焊料等。
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