1)heat dam,防热槽2)anti-fire groove box,防火槽盒3)water slot frost-resisting,水槽防冻4)Qinzhou-Fangcheng trough,钦防海槽5)anti-compacting groove,防挤土槽6)seepage prevention by making a groove,开槽防渗
用法例句
The migration of the Qinzhou-Fangcheng trough in Guangxi and associated sedimentary-tectonic transform surfaces;
