常見例句雙語例句On the full-vacuum-control distributor, the spark advance should be checked and adjusted, as necessary. The distributor should be lubricated periodically.必須對(duì)全真空控制分電器的點(diǎn)火提前裝置進(jìn)行檢查和調(diào)整，分電器也應(yīng)定期進(jìn)行潤滑保養(yǎng)。 返回 vacuum spark control