- commercial water use
- 商业: commerce; trade; business
- 用: 40分钟跑完全程 run the course in 4 ...
- 水: water
- 工业和商业用水平滑动门: standard specification for industrial and commercial horizontal slide gates
- 工业用水: industrail water; industrial use of water; industrial water; process water; service water; trade water; water for industrial use
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