bad ground

基本解释

When weather became bad, the insect depended ground flight more, the barn swallow wanted to eat an insect, so low fly.
天气转坏时，昆虫多靠地面飞行，燕子想吃昆虫，所以低飞。
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Then, it analyzes the ground characteristic and introduces the common ground types and ground treatment to the bad ground in mountain areas.
然后分析了山区地基的特点，介绍了山区地基的常见形式，以及山区地基经常遇到的问题和常用的处理技术。
Because be the place of cleanness, blowdown here, unfavorable the center as numerous room, the introduction encounters toilet, toilet and door continuously opposite ground is bad position.
因此处是清洁、排污的地方，不宜做为众室的中心，入门直遇厕所、厕所与房门相对地都是不良的位置。

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