This paper introduces the commercial practice of using hydraulic seine- hauler which has been designed by Lu De-fang, an research worker at Fishery Machinery &Instr- ument Institute.

 
  • 本文介绍的是中国水科院渔机所陆德芳工程师长期以来研制的液压大拉网起网机在生产中的应用实例。
今日热词
目录 附录 查词历史