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。
随便看	an established business an established clerk an established fact an established favourite on TV an established form an established invalid An established law or rule An established law or rule,as of a corporation An established law or rule, as of a corporation an established principle of international law an established/recognized author an established reputation An established right to precedence an established rule An established rule An established rule,principle,or law An established rule, principle, or law an established variety An establishment engaged in couture An Establishment figure Anestacon Anestam anestasia Anestasia An estate is a major social class in the UK