... ring groove location；环槽位置 ring groove wear；环槽磨损 ring groove width；环槽宽度 ...
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环槽侧磨损 ring groove side wear
环槽磨损
Wear of the ring groove
以上为机器翻译结果，长、整句建议使用 人工翻译 。
研究了大型柴油机活塞项环槽激光淬火层的组织、耐磨性和磨损机理。
The structure, wear resistance and wear mechanism of laser quenched layer on the groove surface of the piston head were studied in this paper.
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