First, it roughens the texture of the match head, helping to create friction wherever you strike it.
首先，它使火柴头的质感变得粗糙，有助于产生摩擦力，无论你在什么地方划火柴。
In this paper accuracy of sensory certification and relative certification of surface, roughens for calliper planes measured using comparison samples was analyzed.
本文分析了卡尺测量面表面粗糙度感官检定和与比较样块比较检定的准确率。
In this paper accuracy of sensory certification and relative certification of surface, roughens for calliper planes measured using comparison samples was analyzed.
本文分析了卡尺测量面表面粗糙度感官检定和与比较样块比较检定的准确率。
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