This article mainly discusses the constitution of control system For SGZ Series of Three-Column Auto Bottom Discharge Centrifuge consisted Of PLC and FVR converter 3! 本文主要论述PLC和FVR变频器组成SGZ系列三足式下部卸料全自动离心机控制系统的构成和工作过程。
For examining the effectiveness, the reading passages were prepared to meet the requirements of FVR. 因为本文首要的目的是验证通过阅读法能否习得词汇,因此所选的文章符合FVR的要求。