roundness index 中文意思是什麼

roundness index 解釋
圓度指數
  • roundness : n. 1. 圓，圓形，球形，圓筒狀。2. 完滿，圓滿；完整；豐富。3. 率直，坦率；嚴厲。
  • index : n （pl es dices ）1 索引。2 指標，標準，標志。3 示[食]指 （＝index finger）。4 指數。5 【印刷】指...
  1. All the performance index, such as color and lustre, roundness, proportion of the sand size and chemical resistance, is equal to those of the foreign products. with stable and reliable quality and low price, beijing bonana will provide the products quickly with good aftersale service. bonana color quartz sand has been adopted or designated as the only one by many foreigh companies, such as perstrop, sika, master, etc.,

    石英砂，其色澤顆粒圓度粒度配比及耐化學性等指標均與國外產品相當，質量穩定可靠，不僅價格較低，而且供貨周期短售後服務好，已為許多外資公司如perstrop ， sika ， citigate ， master等所採用或為指定用砂。
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