基本解释[地球科学]永久船闸英汉例句双语例句The welding process and method for the inverted-V gate of the permanent ship lock of Three Gorges project is outlined in this paper.介绍了“三峡永久船闸人字门”焊接工艺过程及所采用的方法。d.wanfangdata.com.cnpermanent ship-lock更多例句专业释义地球科学永久船闸