1·The optimized sample of the aerator has been trial-produced and tested under the water.
最后对优化后的曝气机样机进行试制和下水试验。
1·And submersible mixer, aerator etc.
潜水搅拌机，曝气器等。
1·Aerator should be generally placed in the center of fishpond or like windward on the drawing.
增氧机一般应放置在鱼池中央，或图略偏上风的位置。
2·Frequently clear the attachment on impellers to avoid load increasing, so as to not damage aerator by overload.
应经常清除叶轮附着物，防止负荷增加，以免造成过载运行而损坏增氧机。
3·Aerator should be generally placed in the center of fishpond, or like windward on the drawing.
增氧机一般应放置在鱼池中央，或图略偏上风的位置。
4·A device arranged on an aerator for fish feeding and used to save energy is provided, and a preliminary experiment shows that the device can save the energy by about 25%.
一种安装在养鱼用的增氧机上，用于节能的装置，初步试验表明，可以节能25%左右。