“进气”造句

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 change.

当进气歧管有真空存在时, 真空便向上吸引膜片.
When there is vacuum in the intake manifold, the vacuum holds the diaphragm up.

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