lower lock head 中文意思是什麼
lower lock head
解釋
下游閘門頂蓋-
Results show that the improved proposals can effectively lower the raised level of reversed head at no. 2 lock
結果表明,在兩線船閘運行的情況下,改進方案能有效地降低二線船閘反向水頭的壅高。
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