upper stream
短語詞組
- upper -stream industry 上游產業(yè)
- upper jet stream 高空急流
- Upper -stream Petroleum Enterprise 石化企業(yè)上游
- upper stream water 上游水
- upper stream supply chain 上游供應鏈
- the upper stream 上游
- upper stream supplier 上游供應商;上游供應鏈
- along upper jet -stream 順著噴射氣流
- Upper Stream of Beiluohe River 北洛河上游 返回 upper stream