磨盘安在地上，人推石磨时得弓腰缓行。

The millstone installed on the ground. People should stoop to push it slowly.

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附近曾经出土过最古老的石磨盘。

The most ancient millstone was unearthed just nearby.

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通过跟踪不同加工阶段的花岗石表面光泽度、微观形貌以及组分变化特征，研究垂直轴磨削过程中金刚石磨盘与花岗石界面的作用机制。

The mechanism of the interfacial reactions between diamond disk and granite during vertical spindle grinding was studied by tracking their surface glossiness, micromorphology and compositions.

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