避免腐蚀。
Owners must be aware of the effects that this may have on their boats and fit the correct cathodic protection system to avoid corrosion.
船主必须了解他们的船舶可能发生的反应，并安装适当的阴极保护系统来避免腐蚀。
Apply lubricating grease SY4019-85 for artillery at the metal surface of exterior of sighting telescope without painting to avoid corrosion.
为防止锈蚀，瞄准镜外部未涂漆的金属表面须涂以炮用润滑脂SY4019-85。
Apply lubricating grease SY4019-85 for artillery at the metal surface of exterior of sighting telescope without painting to avoid corrosion.
为防止锈蚀，瞄准镜外部未涂漆的金属表面须涂以炮用润滑脂SY4019-85。
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