bench mark elevation 中文意思是什麼
bench mark elevation
解釋
水準點標高-
Bench mark elevation
水準點標高 -
During construction of donghai bridge of yangshan deep - water port, bedrock bench mark, which is an important surveying datum mark, played an important part in control survey and elevation transmission
摘要基巖標是重要的測量基準設施,在洋山深水港東海大橋的工程建設中發揮了控制測量與高程傳遞的重要作用。
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