国产图片日韩欧美亚洲_无码纯肉视频在线观看喷水_一级毛片黄久久久免费播放_97久久精品人人爽人人爽_自拍日韩一区二区少妇_免费国产真实迷ji系列在线_久久免费午夜福利院_亚洲欧美综合一区_日韩2021亚洲天堂在线_国产秘书办公室丝袜无码精品

Jiangsu Yuneng Water Conservancy Engineering Co., Ltd. will continue to devote itself to innovative research and development of UAV application products. We always adhere to "science and technology, innovation and intention", and pursue "stability, safety, convenience and ease of use" of products to create maximum value for customers.

Fourth Generation Ship

Price: Inquiry
Key word:
Description:
Detailed description:

Advantages: water jet propulsion is used as ship power, which reduces the problems caused by propeller inhalation of foreign bodies; in power, it can be adapted to safe flow measurement in 3.5 m/s River section; in volume, all kinds of vehicles can be carried; in weight, one person can carry.

Disadvantages: Although water-jet propulsion can reduce the inhalation of foreign bodies, there is also a risk of water weeds or foreign bodies blocking the intake of large surface water grassland and debris land.