A.氣閥間隙過(guò)小會(huì)導(dǎo)致氣閥關(guān)閉不嚴(yán) B.氣閥間隙過(guò)大會(huì)產(chǎn)生明顯敲擊聲 C.氣閥定時(shí)的檢查就在氣閥間隙調(diào)整工作前進(jìn)行 D.調(diào)整氣閥間隙進(jìn),推桿應(yīng)落位在凸輪的基圓上
A.180° B.360° C.270° D.720°
A.該氣閥的開(kāi)度將減小0.5mm,用調(diào)整氣閥間隙的方法不能解決開(kāi)度減小的問(wèn)題 B.重新調(diào)整氣閥間隙后,該氣閥的開(kāi)度和定時(shí)不會(huì)改變 C.重新調(diào)整氣閥間隙后,該氣閥開(kāi)度不變,但定時(shí)會(huì)有變化 D.重新調(diào)整氣閥間隙后,該氣閥開(kāi)度會(huì)減小0.5mm,但定時(shí)不變