Cameron core

基本解释克麦伦砂心(缩颈砂心)

网络释义

1)Cameron core,克麦伦砂心(缩颈砂心)2)Washburn core,缩颈砂心3)neck down core,缩颈砂心,敲落4)cameron core,缩头砂心5)exothermic breaker core,发热性缩颈砂心(冒口用)6)bedding a core,砂心垫砂

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