The high ridge was the appropriate soil preparation.
适合的整地方式为高垅整地。
These projects continually affirm the value of advanced soil preparation.
这些项目进一步证明事前土壤准备的价值。
Mechanized tillage and soil preparation technology is a fundamental part of mechanized farmland operation technology.
机械化耕整地技术是最基本的农田作业机械化技术。
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