field type facility 中文意思是什麼
field type facility
解釋
現場設施-
Horizontal drain hole is a familiar type of drainage facility in slope drainage system. its drainage effect has great impact on the pattern of slope seepage field
水平排水孔作為邊坡處治的一種排水設施,對邊坡的滲流場分佈有著很大的影響。
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