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1·The relationship between property of soil adhesion and surface potential of plow steel was studied.

该文研究了犁壁用钢土壤粘附特性与其表面电位的关系。

2·The more Deere pondered the situation, the more convinced he became that a highly polished steel plow blade-instead of the conventional cast-iron model-could solve the problem.

迪尔越考虑这种情况，就越相信用高度抛光的钢犁片代替传统的铸铁犁片就能解决这个问题。