Desander
泥浆除砂器
🗣️ 情景例句
Come in, come in.
进来， 进来。
Do you have any goods to declare for customs?
你有任何物品要在海关呈报吗？
is the slowest and has travelled round the earth through the surface rocks.
是最慢的，是围绕地球通过表面岩石传来的。