双语例句
Improved soil is very important for subgrade of highspeed railway.
改良路堤填料是高速铁路路基的重要内容.
词典释义：
highspeed railway
时间: 2026-02-14 06:38:10
高速铁路
词典释义：
高速铁路
Improved soil is very important for subgrade of highspeed railway.
改良路堤填料是高速铁路路基的重要内容.