bottom cleaning meaning in Chinese
敲铲船底
Examples
- A new model of en masse screw bottom cleaner
一种新型的埋式螺旋清仓机 - Keeping the ship bottom clean , having no effect on the ship speed and saving fuel
保持船底光洁和航速不受影响，节省燃料。 - Trawlers trailing dredges the size of football fields have literally scraped the bottom clean , harvesting an entire eco - system including supporting substrates such as sponges along with the catch of the day
拖网渔船用以面积足球场般大的拖捞网在海底拖挖，把海床削去一层，一日所获，连同整个生态系都给捞了起来，其中不乏支撑生态系的基质，如海绵。