牺牲阳极输出电流的大小与（）有关。A、牺牲阳极有效电位差 B、_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

牺牲阳极输出电流的大小与（）有关。

A、牺牲阳极有效电位差

B、填包料

C、阳极地床透气性

D、阴极保护电流

答案

参考答案：A

选择题

Mike _______ in touch with his former schoolmates, who had been living there for ages
as soon as he arrived in America.

A. set about to get	B. set out getting
C. set out get	D. set about getting

多项选择题

蒸发一段出料浓度低的处理方法有（）。

A、增加蒸发蒸气量

B、加入适量氮气改善换热

C、加强各塔压力控制

D、提高进料浓度