水力推进器 meaning in English

hydro motor propeller

Design and installation of wastewater pumps and non - clogged pumps , design and manufacture of aerator , decanter and water - power propeller , design of environment protection engineering , evaluation of environmental affection , consultation of iso14000
污水泵、无堵塞泵的设计和安装；曝气机、滗水器、水力推进器的设计制造；环保工程设计；环境影响评价； iso14000的咨询等。