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(gè)基本平衡的單閥座最大限度減小進(jìn)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(kāi)采非自噴井采用抽汲生產(chǎn)將導致井底壓力變化十分復雜。
