Cutter-suction dredger looses the soil to mix with the water by cutter, and pumps the mud by dredge pump.是什么意思_Cutter-suction dredger looses the soil to mix with the water by cutter, and pumps the mud by dredge pump.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句