pressure variation的用法和樣例：
例句
- An essentially balanced single seat minimizes variation in delivery pressure resulting from varying inlet pressure.
一個基本平衡的單閥座最大限度減小進口壓力變化對輸出壓力的影響。 - The characteristic of the swabbing induces the complexity of the well-bore pressure change during procedure.
開採非自噴井採用抽汲生產將導致井底壓力變化十分複雜。
