n.推進器
The thruster contained a large-diameter, slowly rotating blade with nozzles that diffused the propulsive flow, minimizing the churning that would otherwise disturb the caked silt. 機器的推進器包含了大直徑慢速轉動的螺旋槳，而且推進水流由噴嘴送出，以避面劇烈攪動擾亂了結塊的淤泥。
發(fā)動機
