请输入要查询的词： 切换词典

如果未能查到您的结果，请优化搜索后重新查询。

double-cylindered proportioning pump

---

[石油英汉词典]

double-cylindered proportioning pump
n.双缸比例泵

是什么意思，double-cylindered proportioning pump的解释，double-cylindered proportioning pump的翻译