短语词组短語WOR Wear Out Rate 磨損率wear loss rate 磨損率Limiting wear tensibility rate 極限磨損伸長率magic wear rate 最佳磨耗率equipment wear rate 設備磨損率Electrode wear rate 電極消耗率corrosion wear rate 腐蝕磨損速率K wear rate 磨損率erosive wear rate 沖蝕率 返回 wear rate