Chinese translation for "封流井"

sealing leaky well

Similar Words：

"封离筒" Chinese translation, "封离真空系统" Chinese translation, "封里" Chinese translation, "封立" Chinese translation, "封联动机" Chinese translation, "封漏" Chinese translation, "封漏，浸入" Chinese translation, "封漏袋" Chinese translation, "封炉" Chinese translation, "封炉火" Chinese translation