英语词汇“sighting tube”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	sighting tube
释义	sighting tube 基本例句观测管 A surveying instrument consisting of a spirit level and asighting tube,used to measure the angle of inclination of a line from the observer to the target.由一个水平仪和一个观测管组成的测量工具，用来测量从观测者到目标的直线的倾斜角。
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