Should be in advance to understand the basic foundation of soil and ground endurance.
应事先了解基础地基的土质和地耐力情况。
Soil is the basic term for plant growth.
土壤是地表植物生长存续的基本条件。
It would be the scientific basic for soil improvement.
为分阶段地进行土壤改良提供了依据。
It would be the scientific basic for soil improvement.
为分阶段地进行土壤改良提供了依据。
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