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来源:雅诚德英语网
The results show that the de-aerating system can enhance the dredging efficiency both theoretically and in actu.
结果表明:泥泵除气系统在理论上和实际使用中都能够提高疏浚效率。
The results show that the de-aerating system can enhance the dredging efficiency both theoretically and in actu.
结果表明:泥泵除气系统在理论上和实际使用中都能够提高疏浚效率。