
你好!护栏guardrail 英['gɑ:dreɪl] 美[ˈɡɑrdˌrel] n. 护栏; 栏杆,护轨; [例句]Application of configuration technique and PLC in the control system of sidewalk guardrail组态技术和PLC在人行道护栏控制系统中的应用

你好!护栏guardrail 英['gɑ:dreɪl] 美[ˈɡɑrdˌrel] n. 护栏; 栏杆,护轨; [例句]Application of configuration technique and PLC in the control system of sidewalk guardrail组态技术和PLC在人行道护栏控制系统中的应用