?中挡圈
中挡圈 centre rib 1、锻造：锻造过程中若产生过烧、过热、内裂成网状碳化物等都会降低套圈的韧性和强度。
[机]?中挡边
... 中床身 medial bed 中挡边 centre rib 中挡圈 guide ring ...
带中心凸棱的轮圈
中挡圈
前中线至高腰长
The former England centre has recovered from a rib injury picked up on Boxing Day against Otley and is expected to feature against Sedgley Park on Sunday at Headingley.
BBC: Fourie facing weeks on sidelines
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。