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。
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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