We must undertake the dredging operation of the channel immediately. 我們必須馬上開(kāi)始河道疏浚工程。
The result of analysis shows that the implementation of the dredging project is of high ecological and social benefits. 分析結果表明，實(shí)施塔里木河下游河道疏浚工程具有良好的生態(tài)效益和社會(huì )效益。
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