核心部分

Piercing mill is the most important equipment on the rolling pipe line,and the frame is the nucleal component of the piercing mill.

穿孔机是轧制钢管的重要设备,而机架又是穿孔机的核心组成部。

But the antibusiness strictures were gradually eviscerated by the courts and by lack of implementation, and the WPC faded away, though Kearney himself lived on until 1907.

，这些提案中那些反对经济形态部的核心内容最后都被法剔除掉，有些则因难以实施而了了之。此后，加州劳动工人党退出它的历史舞台，而克尔尼本人则只活到1907年。