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Chapter 530 Diving (below)
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Chapter 531 Deep sea wetsuit (below)
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... signal, so only a rough depth can be obtained. To determine the true depth, you can only rely on other means.
Simply relying on a plumb bob with a rope down, the accuracy of this thing needs other methods to verify. There is no more advanced measurement method, either by taking the underwater camera down and shooting, or going straight. The 蛟龙号 has not yet begun to develop, and the submarine of the Navy cannot enter the Longdong area. The surrounding islands and reefs cannot be overtaken ...
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