split open ended core box

基本解释对合开放砂心盒

网络释义

1)split open ended core box,对合开放砂心盒2)multiple core box,组合砂心盒3)open coreprint,开放砂心头4)core box,砂心盒，心型盒5)framed core box,框形砂心盒6)slatted core box,木条砂心盒