Subject the specimens to the number of test cycles, usually 1000, under the set load, usually 1kg. Reweigh the dust free panels and resurface the abrading wheels.

设定样品检测的转数，通常为1000转，负荷为1公斤，重新称量无尘样板及处理磨耗轮表面。

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Without changing the tare on the balance, remove the undersize microspheres that have fallen through and reweigh the sieve assembly with the retained microspheres.

在不改变重量平衡的条件下，消除尺寸不足的微粒并重称集合的分子筛和保留下来的微粒。

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Without changing the tare on the balance, remove the undersize microspheres that have fallen through and reweigh the sieve assembly with the retained microspheres.

在不改变重量平衡的条件下，消除尺寸不足的微粒并重称集合的分子筛和保留下来的微粒。

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