... 砂心模板core template ，core templer 砂心磨床core grinder 砂心耐火度core fefractoriness ...
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短语
无心砂带磨床
centreless abrasive belt grinding machine
双支承砂轮无心磨床
twin grip type centreless grinder
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twin gritype centreless grinder
宽砂轮无心外圆磨床
centerless cylindrical grinding machine with wide grinding wheel