单选题The abbreviation L.W.R.P. on the navigation maps means（）.Alow water reference planeBlow winter runoff pointCleast water river planeDland wall reference point
单选题
The abbreviation L.W.R.P. on the navigation maps means（）.
A
low water reference plane
B
low winter runoff point
C
least water river plane
D
land wall reference point
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