trackbed

trackbed

美 　英

• 网络轨床

词形变化

复数：trackbeds  

英汉解释

n.	1. the foundation, usually of hardened earth and stone or gravel ballast, on which a railroad track is laid

例句

FIXED RAILWAY EQUIPMENT. GEOTEXTILES FOR TRACKBED CONSTRUCTION FOR RAILWAY LINES.

铁路固定设备.铁路道床建设用土工织物

Construction Technology for Steel Spring Floated Trackbed Turnout in Urban Transit

城铁钢弹簧浮置板道床道岔施工技术

Practices and Revelation of Trackbed Elevation Project in Jin-Pu Line

津浦线抬道工程的实践与启示