valve controlled port scavenging

... 气化式燃烧器 vaporizing combustion chamber 阀调节孔驱气 valve controlled port scavenging 使用性能试验 usability test ...

航海及海运专业术... ... valve control motor 阀控制电动机 valve controlled port scavenging 阀控制气口扫气 valve core 阀心 ...