plow steel

基本解釋

He was the first man to stick the cold steel point of a turning plow into the virgin soil.
他是頭一個(gè)把冰冷剛硬的犁尖耕進(jìn)這塊處女地的人。
The relationship between property of soil adhesion and surface potential of plow steel was studied.
該文研究了犁壁用鋼土壤粘附特性與其表面電位的關(guān)系。
The method often uses a steel plow, or rotation drum, which is pulled mechanically back and forth across a face of coal that is usually several hundred feet long.
這種方法經(jīng)常沿作業(yè)面來回拖曳鋼犁或滾筒，作業(yè)寬度通常達(dá)數(shù)百尺（約100米）。