Variable(displacement)pump
[化] 变量泵
🗣️ 情景例句
When no settlement can be reached, the disputes shall be submitted for arbitration.
如果协商得不到解决，应将争议提交仲裁。
Life is short and time is fleeting.
人生短暂，光阴易逝。
Sure. Later this evening.
当然可以。今晚晚些时候。