head-on cross-section 中文意思是什麼
head-on cross-section
解釋
正截面-
As for actual embankments, the hydraulic head, cross section shapes, properties of filled soil, geological conditions and so on all vary greatly, it ' s hard to define precisely the distribution of seepage field and take effective seepage prevention measures
因實際工程中堤防的作用水頭、堤身斷面、填土性質、地質條件等均千變萬化,導致難以全面而準確地分析其滲流場分佈並採取有效的防滲措施。
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