[例句]After the turbine, governor and inlet valve have been installed and before placing equipment in service, they shall be given Preliminary Acceptance Tests.
placing in service [释义] 列入运用; [例句]After the turbine, governor and inlet valve have been installed and before placingequipment in service, they shall be given Preliminary Acceptance Tests. 在安装涡轮机、调速器和进气阀后,设备投入运行之前,应进行初步验收测试。