远传压力表靠()调节变频器频率变化。(A)电感 (B)电容 (C)可调电阻 (D)电 发布时间:2019-08-29 03:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 远传压力表靠()调节变频器频率变化。(A)电感(B)电容(C)可调电阻(D)电源
题型:单项选择题 _____ people in the world are sending are receiving e-mails every day.A.Million ofB.Many millions ofC.Several millions’D.Several millions 查看答案