Warning: file_put_contents(): Only 0 of 6477 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 crosstie是什么意思，crosstie的翻译，crosstie音标、读音、用法和例句_零食美味英文词典
The other key technique in using an on-train GPR deals with the estimation and elimination of the influence of reinforcing steel bar in the cement crosstie. 如何確定和消除枕木中的條狀鋼筋對地下目標檢測的影響也是車載探地雷達的關鍵技術之一。