exhaust extraction duct

Soil vapor extraction (SVE) is an acceptable remediation technology for soil contaminated by organic compounds, it holds security, high efficiency and economy properties.

土壤气体抽排净化技术是一种安全、高效、经济的有机污染土壤治理技术。

The problems and development view of SVE were also discussed.

本文还对目前土壤气体抽排净化技术需要研究的问题及发展前景进行了展望。

To draw liquid or gaseous contents from; drain.

使流出，使排出从…中抽出液体或气体；排出

A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.

抽吸装置用抽吸装置排出液体或气体，尤指用抽吸法排出东西的工具，如从体内排出粘液或浆液

extraction flow

排气流量, 抽气流量

main scavenging pump

主抽气泵，主排气泵

exhaust pulse air injection

(抽吸式) 排气脉冲空气喷射

The crankcaseventilation system, using a road-draft tube, vented the crankcase vapors and blow-by gas into the atmosphere.

采用行车抽吸管的曲轴箱通风系统，给曲轴箱内的蒸气和窜漏气体排入大气提供了出口。

To draw off(liquid or gaseous matter)from a container.

抽取从容器中抽出（液体或气体）

To remove(liquids or gases) by means of a suction device.

用抽吸装置抽吸（液体或气体）

wet system of evacuating

（用喷水空气泵抽空的装置）湿体系抽空

Available estimates suggest that the contribution of aircraft emissions to local destruction of stratospheric ozone is at present less than 1%.

有资料显示，目前飞机排放气体对平流层抽样的区域破坏作用小于1%。

To raise or move gas or liquid with a pump.

以抽水机抽水用泵提升或移动气体或液体

Lashing velocity of pump is concerned with nature of air.

泵的抽气速率与气体的性质有关。

The annular space is evacuated and contains multiplayer insulation.

环形空隙被抽空排气，装有多层隔热材料。

An Inquiry into the Influence of Different Air Extraction Modes on Emission Testing for Motorcycles

不同抽气方式对摩托车排放测试的影响探讨

Research and application on new matching technology of drainage gas production by pumping

机抽排水采气配套新技术的研究与应用

The fumes or gases so released.

（排出的）废气这样排出的烟或气体

The pump exhaust should lead to the open air or a fume hood.

抽气泵的排气管应该导向室外空旷处或导向一座通风橱。