insert core

基本解释增压砂心,嵌入砂心

网络释义

1)insert core,增压砂心,嵌入砂心2)penetration core,增压砂心3)atmospheric core,William's core,增压砂心,威廉氏砂心4)William's core,atmospheric core,威兼氏砂心,增压砂心5)filling up core,埋入砂心6)crush of core,砂心压坏

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