基本解釋[土木建築工程]輕型鋼軌英漢例句雙語(yǔ)例句The cast steel pedestal of Chongqing's light-rail bears great importance for the safety of the whole system.重慶市跨坐式單軌交通軌道梁鑄鋼支座的狀況關(guān)系到整個(gè)單軌交通運(yùn)行的安全性。light steel rail更多例句專業(yè)釋義土木建築工程輕型鋼軌