exothermic breaker core是什么意思


中文翻译发热性缩颈砂心(冒口用)

网络释义

1)exothermic breaker core,发热性缩颈砂心(冒口用)2)feeder head with Washburn core,缩颈冒口3)Washburn core,缩颈砂心4)exothermic riser,发热冒口5)exothermic riser sleeve,发热冒口套6)feeding compound,冒口发热剂

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