The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss.
曲柄轴箱通风阀和配有废气帽的空气污染控制阀(的使用)对减少挥发性有机混合物释放有积极作用。
For ventilation of pumps the valve should be mounted adjacent to the pump outlet.
对于泵通风阀应安装毗邻泵出口。
For system ventilation the valve should be mounted at the system's highest point.
对于系统通风阀应安装在系统的最高点。
This valve is usually used in the ventilation ducts to control the wind-conditioning or regulating emissions from coal cinder flows.
此阀门一般使用于通风管道内控制风力调节，或者是煤渣流量排放调节。
The paper discusses some common problems in the engineering design of the classification of air-conditioner system and smoke ventilation system as well as the set up of the fire valve.
本文对暖通设计中通风空调及排烟系统的划分、防火阀的设置等工程设计中常见的问题进行了探讨。
Objective To investigate the effects of low tidal volume ventilation on pulmonary and cardiac function before and after mitral valve replacement.
目的以心输出量和肺换气功能为指标研究低潮气量通气对瓣膜置换病人心肺功能的影响。
Specializing in the production of discharge valve plate distributor, environmental protection, butterfly, ventilation equipment and Marine fittings.
专业生产卸料器、平板阀门、通风蝶阀等环保机械设备和船用配件。
Divider power chuck is widely applied for numerical control machine tool, automation special machine, automobile, internal combustion engine, engine, refrigerator valve, heating ventilation, etc.
等分式动力卡盘广泛使用于数控车床、自动化专机上，应用于汽车、内燃机、发动机、冷冻机阀门、暖通等行业。
A pressure driver for a ventilation system comprises a gas source, an inspiration flow control valve and a patient pressure sensor to form a closed loop control system.
一种用于通气系统的压力驱动器，包括气体源、吸气流量控制阀和患者压力传感器，以形成闭环控制系统。
Valve bodies are engines of ventilators, ventilation process: on time and turn off the control valve to ensure full combustion gas mixed with gas and emissions.
配气机构是发动机的换气机构，换气过程：控制气门按时关了，保证气配时充分燃烧混合气和排撂废气。
Before first use, please open up the ventilation hole of silicone valve with attached punching bar.
使用说明-购回首次使用前请使用附赠的通孔棒将气孔打通，以利于正常透气。
This gas-operated valve should be kept in a well-ventilated dry room, with both ends of the ventilation channels closed. The gas-run valve should be either completely closed or open.
气动球阀应存放在干燥通风的室内，通径两端应封闭，气动阀应处于全开或全关的位置。
This gas-operated valve should be kept in a well-ventilated dry room, with both ends of the ventilation channels closed. The gas-run valve should be either completely closed or open.
气动球阀应存放在干燥通风的室内，通径两端应封闭，气动阀应处于全开或全关的位置。
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