The pumping style takes out sludge directly by unde-water pump or automatic coupling submersible pump.
泵吸式直接采用液下 泵或自动耦合式潜污泵抽取污泥。
2
Engraving: Capt James Gunter of the King Dragoon guards raided the Imperial palace in 1860 and was so proud of his actions he even engraved the details unde.
Reduce the transactional work on the core of human resource management interference, through human resources outsourcing, the number of personnel in the management of change unde.