multiple coreprint是什么意思

中文翻译联结砂心头

网络释义

1)multiple coreprint,联结砂心头2)coupling print,联结砂心端承3)core print,砂心头4)cameron core,缩头砂心5)core print,砂心端承，砂心头6)enlarged coreprint,加大砂心头