Therefore, the research of control method for the dosing of coagulant has great significance.

因此，针对水处理混凝投药控制方法的研究具有很大的意义。

youdao

The research method of printing quality control on such materials was discussed.

并进一步探讨了其印刷产品色差检测的研究方法。

youdao

Method: Take the method of random, double blindness and placebo control for research.

方法：采用随机、双盲、安慰剂对照的方法进行研究。

youdao

Method: Take the method of random, double blindness and placebo control for research.

方法：采用随机、双盲、安慰剂对照的方法进行研究。

youdao