I was a guide, a pathfinder, an original settler.

我已然是一个引路人、开拓者、定居先驱。

youdao

And the design of inclined plate gravity settler is given.

介绍了斜板重力分离器的设计方法。

youdao

And the design of inclined plate gravity settler is given.

介绍了斜板重力分离器的设计方法。

youdao