tunnel excavator的意思|示意
美 / /
英 / /
tunnel excavator相关例句
This paper shows us a newly developed tunnel excavator by Japan, which can prevent ground collapse and thus assure safety in construction.
本文介绍了日本研制的一种隧道挖掘机。该设备可在施工中防止地基塌陷，以保证施工的安全。