demand-type mask是什么意思

网络释义

用法例句

Discuss the design and application of the self-regulation flux valve.

论述了供气流量自动调节阀的设计、应用及使用方法,用此供气流量自动调节阀与余压调节器配合使用有效地减小了水下训练服在水下上升下潜过程中的余压波动问题,达到了设计要求,应用效果良好。

demand-type mask

供气量自动调节式防毒面具

chemical cartridge respirator

化学作用式防毒面具

The Effect and Aolaptation of Filtering Respirators for Physiological Function;

过滤式防毒面具对生理机能的影响与调适

Hookah type diving apparatus

水面供气式潜水装具

This gas mask can immunize you against poison gas

防毒面具能使你免遭毒气袭击。

non-automatic extraction turbine

非自动调节抽气式汽轮机

a device for automatically regulating temperature by starting or stoping the supply of heat.

通过开始或停止提供热量自动调节温度的装置。

They are wearing masks because the air is toxic.

因为空气里有毒，他们都戴着防护面具。

As the climate active fa?ade is completely closed there is normally no possibility for natural ventilation and smoke exhaust (if necessary).

由于通常主动式气候调节幕墙是全封闭的结构，所以不能提供自然通风和排烟（如果必要的话）。

Research on Adaptive Mechanical Flow Regulation

机械式自适应冷却气体流量调节器研究

Analysis on dynamic characteristics of regulable flow gas generator with sliding discal valve

滑盘式流量调节燃气发生器动态特性分析

butterfly tthrottle

节气门（可根据不同要求调节混合气的供应量）

automatic level regulation controlled by thermosensitive element

热电式自动电平调节

automatic extraction turbine

自动调节抽汽式汽轮机

Flow controlled can be adjusted as per people's vital capacity and labor intensity.

流量控制器具有可调节性能，可根据人员肺活量大小、劳动强度自动调节。

Total annual production of electrical energy used for light, power, heat and air-conditioning is over 2, 292,800 million kilowatt hours.

美国的发电量每年约达22928亿度，供电灯、动力、电热及空气调节等用途。

A Conceptual Investigation on Hydrogen Supply Adjustment System of Air breathing Combined Engine

吸气式组合发动机初步方案氢供应调节系统概念研究

The Research of Frequency Regulation Automatic Control System for Furniture Workshop's Pneumatic Conveying Equipments;

家具车间气力输送装置变频调节自动控制系统的研究