环保节能加水系统，高吸程功能和多级减震技术。

Energy Saving water device system, long-distance suck technology and multi-level shock absorption technology.

youdao

环保节能加水系统，高吸程功能和多级减震技术。

Energy Saving water device system, long-distance suck technology and multi-level shock absorption technology.

youdao