This acronym stands for mean sea level. Average height of the surface of the sea, given the evolution of the tide.
01:37, 16 January 2013
Mean sea level
21:30, 18 November 2012
Lighting system: all the lightning in an area and the items ...
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بنود
معاجم
10
متابعين
15
7
1
51
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2
41
4
95