The existing under-waterprojection devices usually adopt single synchronous hydraulic cylinder, which will generate sidelong moment on sliding slipcover.
现役的水下发射装置，经常采用单液压缸驱动，这样会产生滑套上的倾覆力矩。
2
With the bottom of the projection of a white transparent container filled with water, then drip in the water the color ink or oil-based paint.
用一个装满水的白色透明容器的投影的底部，然后在水面点滴彩墨或油基的颜料。
3
We use the projection pursuit model based on the improved ant colony algorithm to analyze the status of the water quality of the Dongting Lake in 2001.