The results show that bringing fillers in UH- MWPE can shorten breaking-inperiod, prolong the steady wear period.
结果表明， 填料的加入可以缩短磨合期，延长稳定磨损期。
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“We discovered that over a ten-year period boys’ voices were breaking around four months earlier, ” Juul says, surrounded by precarious stacks of research papers and medical journals in his office.