premium grades 中文意思是什麼

premium grades 解釋
優等品
  • premium : n. 1. 超票面價格,溢價;加價;貼水,升水。2. 獎賞,獎勵;獎金;獎狀,獎品;【橋牌】獎分。3. 保險費。4. 傭金;(利息;工資等以外的)酬金。5. 額外費用。6. 學費;習藝費。
  • grades : 保密類別
  1. Dynamix 18g is a blend of three premium grades of copolymer filaments that produce a high performance synthetic gut

    Dynamix 18g是3層不同高級聚合物的多纖維混合產生的高性能合成羊腸線。
  2. An essential difference between "premium" and "regular" grades of kerosine is that the former has a higher smoke-point.

    「高檔」與「中檔」煤油的根本差別在於前者比後者的發煙點高。
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