bubble sextant

detachable bubble horizon sextant

可卸式气泡水准六分仪

two-axis electrolytic bubble level

双轴电解气泡水准仪

Spirit levels on the gyro may be used to determine whether the instrument has settled with a list.

陀螺上的气泡水准仪可用以确定仪表的放置是否倾斜。

Detachable serrated nozzle, water flow control outlet attachable）.

可拆卸水嘴，可加接防溅起泡器。

bubble quadrant

带汽泡水准的扇形测角仪

low light level television camera-sextant

低光水平线电视六分仪

hydrographic sextant

水文地理测量六分仪

expandable bubble tiltmeter

可膨胀气泡式倾斜计

gas chromatograph for analyzing single bubble in glass

分析玻璃中小气泡用的气相色谱仪

adjustable water spray foam monitor nozzle

可调式遥控水-泡沫枪

velocity type column air gauge

流速式水柱气动量仪

The liquid rests for precisely six minutes before he drinks it.

茶水泡刚好六分钟时他才喝。

auto-absorption type combustible gas detector

自吸收式可燃气检测仪

Nitrogen Bubble Type Water Level Gauge and Design of Monitoring Software System;

氮气气泡式水位计及监测软件的设计

portable air pollution analyzer

便携式空气污染分析仪

portable ambient air analyzer

便携式环境空气分析仪

filter type gas analyzer

滤光片式气体分析仪

portable infrared gas analyzer

便携式红外气体分析仪