Bluebook试题5 · 第 2 题

Bluebook试题5 · 原库模块 1 · Q2 原库参考解析

A special camera is used for underwater ocean research. The camera is at a depth of 39 fathoms. What is the camera's depth in feet? (1 fathom = 6 feet)

Bluebook试题5 · 第 2 题

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