before and after minor repairs的意思|示意
美 / /
英 / /
小修前后
before and after minor repairs的网络常见释义
小修前后 ...检泵前后;小修前后;减级布站;悬点载荷 [gap=592]Keywords: before and after pump inspection; before and after minor repairs; grade-reduced station distribution; polished rod load ..