Hydroscillator
分水机, 水力分选机, 水力分级器
🗣️ 情景例句
You want a hint?
需要提示吗？
Messengers should neither be headed nor hanged.
两国相争，不斩来使。
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。