工程井 meaning in Chinese

engineering well

Our “ sun shine ” brand carbon steel fiber have been widely used in road , protection slops of highway , bridges , reservoir dyke , tunnels , airport taxiways , well lids of city project ( guard against theft ) , mine laneway , port , railway sleepers and etc , and gain high praise from clients
本公司“双兴”牌碳钢纤维广泛应用于道路，公路护坡、桥梁、防浪堤、水库堤坝、隧道、机场跑道、市政工程井盖（防盗）、矿井巷道、港口、铁路轨道等方面，深受广大用户赞誉。