漏沟的英文Leaky ditch；
leaky：adj.有漏洞的；有漏隙的；渗漏的；
ditch：n.沟；渠
相关介绍
He ditched his girlfriend.
他把女朋友给甩了。
I can't bring myself to ditch him and start again.
我不忍心蹬掉他再觅新欢。
Quality evaluation of Plasma Spray Coating based on Leaky Rayleigh Wave.
基于泄漏瑞利波的等离子喷涂涂层质量评价。
