Whole book divides 6 order, include " adscript " add up to 186 page, 13...

全书分6章，包括《后记》186页，13．.

The expenses foot up to 50 dollars.

费50美元。

The expenses foot up to $50.

费五十美元。

The species of microzoon observed in oxidation ditch have totalled 56 kinds since Handan WWTP operation, and the paper supplies dominant species of microzoon in ditch under normal operation.

本文总结了邯郸市东污水处理厂氧化沟工艺自运行来沟中所出现的微型生物56,并提供了正常运行条件下,微型生物的优势。