pregassing是什么意思

网络释义

用法例句

An outgassing measuring system used at low temperature;

一种可用于材料在低温环境下放气的测试系统

A comprehensive survey of development of outgassing model for nonmetal materials in vacuum;

真空下非金属材料放气模型与研究综述

Measurement for sponge outgassing in vacuum;

高真空条件下网状泡沫放气量的测试

double-block and bleed assembly

双止回装置和放气设施

auxiliary power unit bleed valve

辅助动力装置放气活门

gaseous discharge lamp

(荧光)气体放电管

gas discharge etching

气体放电蚀刻[法]

air tank drain cock

气箱排放塞［开关］

the bag containing the gas in a balloon.

气球中存放空气的包。

Blow up balloons and then slowly let out the air by narrowing the opening of the balloons.

吹大气球，然后把气球口放开一点点，放出空气.

d emission standard

空气质量和排放标准

exhaust emission control system

排气排放物控制系统

slagging gas producer

放液渣的气体发生炉

Take fortune when it comes.

运气来了可别放过。

pulsed-flash gas-discharge lamp

脉冲闪光气体放电灯

dry powder type (gas expelled) extinguisher

干粉（气体排放式）灭火器

The enemy gassed the room.

敌人给这房间施放毒气。

open the window to admit air

打开窗放进新鲜空气

Hirschback method

上部平巷排放沼气法

Duplexer of gas discharge tube

气体放电管收发开关

radioactive gas recovery system

放射性气体处理系统