What is valve overlap?
A、Thetimebetweenairinletvalveclosingandtheexhaustvalveclosing.
B、Thetimebetweenairoutletvalveopeningandtheexhaustvalveclosing.
C、Thetimebetweenairinletvalveopeningandtheexhaustvalveopening.
D、Thetimebetweenairinletvalveopeningandtheexhaustvalveclosing.
发布时间：2025-06-24 10:16:44
