edge retention 中文意思是什麼

edge retention 解釋
邊角防護
  • edge : n 1 刀口，（刀）刃；鋒；端；銳利。2 邊，棱，邊緣，邊界，界線，界限。3 優勢，優越條件。4 （聲調、...
  • retention : n. 1. 保留，保持，（意見等的）保留。2. 保持力，記憶力；保留物。3. 〈古語〉拘押，監禁；扣留。4. 【醫學】分泌閉止，停滯；閉尿；固位。5. 【保險】保有額。
  1. Materials and articles in contact with foodstuffs - cutlery and holloware - specification for sharpness and edge retention test of cutlery

    與食品接觸的材料和製品.刀具和凹形餐具.刀具的鋒利性和刃口保持的試驗規范
  2. The difficult part is root retention which must be moved together with the enclosing soil without disturbance in a rootball. tree roots normally spread beyond the drip line ( the outer edge of the tree crown )

    其困難之處在於要把樹根四周黏附的泥土形成根團，一併移走，不可弄散。樹根一般都會伸展超越滴水線以外的范圍（即樹冠外圍） 。
  3. Materials and articles in contact with foodstuffs - cutlery and table holloware - part 5 : specification for sharpness and edge retention test of cutlery

    與食物接觸的材料和器具.餐桌用刀叉和中間凹形器皿.第5部分:刀叉的鋒利性和刀口鋒利保持試驗規范
  4. Materials and articles in contact with foodstuffs - cutlery and table holloware - part 5 : specification for sharpness and edge retention test of cutlery iso 8442 - 5 : 2004 ; german version en iso 8442 - 5 : 2004

    與食品接觸的材料和製品.刀具和凹形餐具.第5部分:刀
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