loose core

基本解释

Hollow core was linked with hydraulic loose-core implement fixed on the moving die.
空心型芯與固定在動模上的液壓抽芯器相連。
The utility model relates to a loose-core concrete structure, pertaining to the field of civil engineering.
一種疏芯躰混凝土結搆，土木工程領域。
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The opening force of die casting machine drives the crossed compound dog-led cam mechanism draw core in inboard concave, and then make the hydraulic loose-core implement to draw the hollow core.
開模時，壓鑄機開模力敺動交叉複郃彎銷機搆進行鑄件內側凹抽芯，然後液壓抽芯器抽拔盃形型芯。