He wrote reams (and reams) of verse.
他写了很很。
He wrote reams (and reams) of verse.
他写了很很。
Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻孔、锪孔、扩孔、铰孔、孔、攻丝等孔加工。
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