The tunneler is able to used not only for underground, also for centralized pipes tunnel-outline of pipe and incline tunneling with belt conveyer.是什么意思_The tunneler is able to used not only for underground, also for centralized pipes tunnel-outline of pipe and incline tunneling with belt conveyer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句