阀门定位器正作用调校如（）时，可调整挡板组件插板组件上说明的_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

阀门定位器正作用调校如（）时，可调整挡板组件插板组件上说明的阀杆行程增加的反方向转动

A、压力太大

B、压力太小

C、行程过大

D、行程过小

答案

参考答案：C

单项选择题

绿脓杆菌肺炎病人咳

A．少量白黏痰
B．草绿色痰
C．红棕色胶冻状痰
D．铁锈色痰
E．脓臭痰

选择题

—The article was very easy, wasn't it?

—Yes, but I don't think ________ can understand it. [ ]

A. somebody

B. anybody

C. everybody

D. nobody