1、

Precision register quoins: Quoins on which the degree of adjustment can be set precisely. The improvement of precision and accuracy of the determination of gold in copper concentrates

精密定位字锁:可以作准确及精细调校的字锁。提高铜精矿中金测定的精密度和准确度

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2、

A finer-grained lock has been converted to a coarser-grained lock. Precision register quoins: Quoins on which the degree of adjustment can be set precisely.

较细粒度的锁已转换为较粗粒度的锁。精密定位字锁:可以作准确及精细调校的字锁。

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3、

where chalkstone was of poor quality, better stones had to be used at the building corners (quoins) and openings.

白垩块质量很差,质量好的石头都用于建筑的角落(【建】房屋的突角)和通道。

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4、

to secure (letterpress type) in a chase or press bed by tightening the quoins.

将铅字装版收紧楔子把(已排好版的铅字)固定在框架内或印刷机版上

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5、

Precision register quoins : Quoins on which the degree of adjustment can be set precisely.

精密定位字锁: 可以作准确及精细调校的字锁.

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