Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/d42507f4e7a5ecc5e01e6003db5f2115.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 trial weld例句_trial weld英汉例句_trial weld双解例句_骑士汉英词典
Both experimental results and trial production demonstrated it operates reliably and smoothly, with high level of weld seam tracking precision. 焊接实验和试生产结果证明,样机运行平稳、可靠,具有很好的跟踪精度。