Sohc
单项上凸轮轴式
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
I would like to talk with someone in charge.
我想请你们负责人讲话。
When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。