tube core的意思|示意

Though the relative motion with the tube core to make the core be a center non-acentric state automatically.

通过与卷芯的相对运动使得卷芯自动处于中心无偏心的状态。

Bulge the tube core automatically after swelling.

胀起后自动胀紧管芯。

Tube core concrete was formed with vertical vibrating technique.

管芯混凝土采用立式震动工艺成型；