All automobile engines now built are equipped with the positive-crankcase ventilation system of crankcase emission control.
所有现代制造的汽车发动机，都需要装备控制曲轴箱有害污染的曲轴箱强制通风系统。
Positive crankcase ventilation (PCV)
积极式曲轴箱通风系统
The crankcase ventilation system carries fresh air through the crankcase.
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
crankcase emission control system
曲轴箱排放物控制系统
The crankcase ventilation system for4- stroke motorcycle should be improved.
四冲程摩托车用曲轴箱通风系统应当改进。
Experimental Characteristics Research of Pressure Control Valves in Engine Crankcase Ventilation Systems
发动机曲轴箱通风系统调压阀特性的试验研究
Study on Gasoline Intake Model Modification Based on PCV
基于曲轴箱强制通风的汽油机进气模型修正研究
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。
closed crankcase ventilating system
闭式曲轴箱通风装置
breathing of engine
发动机(曲轴箱)通风
CRANKCASE BREATHER/FILTER
曲轴箱通风管/过滤器
d ventilating-fan system
强制进气排气通风系统
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（使用）减少挥发性有机混合物释放有积极作用。
Coupling Research on Tribology, Stiffness and Strength of Crankshaft-bearing System;
曲轴—轴承系统摩擦学、刚度和强度的耦合研究
The Development of Crank-shaft Dynamic Balancing Testing and Automatic Machining System about General Gasoline Engine;
通用汽油发动机曲轴动平衡测试与自动去重系统的研制
Development of the Recognition System for output Shaft Type of Gasoline Engine Crank;
汽油发动机曲轴输出轴类型识别系统的研制
The fresh-air inlet was usually the crankcase breather cap.
新鲜空气进口一般是曲轴箱通气盖。
One of the jobs of PCV system is to remove these crankcase contaminants before the rotating crankshaft mixes them with the oil.
PCV系统的作用之一是，在旋转的曲轴把水和液体汽油混合之前，把它们排出曲轴箱。