轴心距 meaning in English

distance of shaft centers

Cylindrical worms ; dimensions , correlation of shaft centre distances and gear ratios of worm gear drives
圆柱形蜗杆.尺寸轴心距和蜗轮传动传动比之间的关系
Cylindrical gears - code of inspection practice - recommendations relative to gear blanks , shaft centre distance and parallelism of axes
圆柱齿轮.检验实施标准.与齿轮坯料,轴心距和轴的平行度相关的推荐值