gravity tunnel 中文意思是什麼
gravity tunnel
解釋
重力隧道-
Through example study such as loess tunnel hazard, the modes of surface runoff are generalized as four basic modes : gravity water evenly infiltration mode, surface runoff injection mode, gravity water injection through dominant path mode and multiple mode
以黃土洞穴災害為例,將黃土暗穴形成過程中黃土地層地表徑流的下潛模式概化為滲透重力水漫滲型下潛模式、地表徑流集中灌入下潛型模式、滲透重力水沿優勢滲流通道集中下潛型模式以及混合灌滲集中下潛型模式等4種基本模式。 -
Dredging of an immersed tube tunnel trench to - 30mpd alongside the existing gravity structure seawalls would undermine the seawalls, the bases of which are around - 5mpd
現有的重力式結構海堤的地基在主水平基準面以下約5米,沿海堤挖掘沉管隧道坑道至主水平基準面以下30米會削弱這些海堤。
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