在圆形活塞的VV化油器中, 活塞是由进气歧管真空移动的.In the roundpiston VV carburetor, the piston is moved by intake - manifold vacuum.这个真空叫做进气歧管真空.这种进气歧管真空随运转情况而变化.This vacuum, called intake - manifold vacuum, varies as the operating conditions...

“歧管”的拼音为：qí guǎn...

“歧管”的英语可以翻译为：[机] divided manifold，manifold branch ...