Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
You haven't answered my question.
你还没有回答我的问题呢。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
All that glitters is not gold.
闪光的不全是金子。