plumming

1. 1.

   The operation of finding, by means of a mine dial (compass), the place where to sink an air shaft, or to bring an adit to the work, or to find which way the lode inclines.

   用矿井罗盘确定沉井、平硐或矿脉倾向的操作。

2. 2.

   A plum-colored distortion of prints.

   印刷品上李子色的失真。

印刷品上李子色的失真。；【植物】李属(Prunus)植物；洋李；李；梅