gǔn zǐ dǎo jiǎo
roller chamfer
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forest-road,
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forests,
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相似单词
滚柱轴承,
滚转机,
滚装船,
滚子,
滚子从动件,
滚子倒角,
滚子端面,
滚子小端面,
磙,
磙子,