“動量衡算”簡單造句，動量衡算造句子

1、Making a living as a door-to-door salesman demands a thick skin, both to protect against the weather and against constantly having the door shut in your face. Bill Porter puts up with all this and much, much more.

3、對反應注*成型機所採用的碰撞混合器進行分析，並就其進料噴嘴及混合室中的物料流動進行了能量及動量衡算。

2、通過對床中物體表面與碰撞顆粒流之間的動量衡算，將顆粒流動量通量與顆粒的碰撞壓力相關聯，建立了流化床中顆粒碰撞壓力的理論模型。