spirit level
可调气泡水准仪 adjustable block level
双轴电解气泡水准仪 two-axis electrolytic bubble level
将含有两个气泡水准仪 Bubble levels
气泡式水准仪 spirit level
气泡型水准仪 bubble type level
可卸式气泡水准六分仪 detachable bubble horizon sextant
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陀螺上的气泡水准仪可用以确定仪表的放置是否倾斜。
Spirit levels on the gyro may be used to determine whether the instrument has settled with a list.
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