液压抓斗式挖泥船的主要生产技术指标是斗容和生产率。

The main technical index of hydraulic clamshell dredger is bucket capacity and productivity.

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液压抓斗式挖泥船的主要生产技术指标是斗容和生产率。

The main technical index of hydraulic clamshell dredger is bucket capacity and productivity.

youdao