基本解释[地球科學]永久船牐英汉例句雙語例句The welding process and method for the inverted-V gate of the permanent ship lock of Three Gorges project is outlined in this paper.介紹了“三峽永久船牐人字門”銲接工藝過程及所採用的方法。d.wanfangdata.com.cnpermanent ship-lock更多例句专业释义地球科學永久船牐