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Terms for subject Oil / petroleum containing hardened | all forms | exact matches only
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air hardened自硬的
air hardened空气硬化的
air hardened steel气硬钢
hardened area淬硬区域
hardened coupling淬硬接头
hardened face淬硬表面
hardened filter paper硬化滤纸
hardened resin固化树脂
oil hardened gear油淬硬齿轮