英语词汇“down-hole bi-directional flow valves”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	down-hole bi-directional flow valves
释义	down-hole bi-directional flow valves 井下流体双向流动阀
随便看	while competence is the arrow while-construct while control while control while whiled While danger threatens we must all be on guard whiled away while discord leads to misfortune while doing something while-do-part While down below the trees While drilling while drying solutions While fishing While fishing,he usually opens a can of worms While fishing, he usually opens a can of worms While flower booms While flower booms,withers in my dream Whileflower Dandelion Herb Whileflower Morina Root or Herb while forming foundation while hard work makes it flourish while he is about it While here the mountain-shadows While here the mountain-shadows,broad and dun