quoins
- v.用楔子支持；打楔子固定（夹紧）
- quoin的第三人称单数
quoins-
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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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。