bucket wheel trencher
bucket wheel trencher
[公路科技英汉词典]
bucket wheel trencher斗轮式挖沟机
是什么意思，bucket wheel trencher的解释，bucket wheel trencher的翻译
bucket wheel trencher
[公路科技英汉词典]
bucket wheel trencher是什么意思，bucket wheel trencher的解释，bucket wheel trencher的翻译