Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/3993dc7429dd77aee66a0acc41bdfaa4.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 trenchless是什么意思，trenchless的翻译，trenchless音标、读音、用法和例句_甲百汇小鸡词典
Installing and rehabilitating pipes and cables beneath the streets by trenchless techniques require novel techniques and much planning and liaison with the local authorities. 在街道下通过非开挖技术进行建设和修复管道及电缆需要新的技术，周密的计划以及与当局的沟通。