短語詞組短語precise blanking force 精密沖裁力fine blanking force 精沖壓力blanking force calculation 沖裁力計算blanking force center 沖裁受力中心Revision coefficient of blanking force 沖裁力脩正系數(shù)Safety coefficient of blanking force 沖裁力安全系數(shù) 返回 blanking force