filled perforation tunnel是什么意思
中文翻译淤塞的射孔孔道
网络释义
1)filled perforation tunnel,淤塞的射孔孔道2)silt,淤塞3)silt up,淤塞4)silting up,淤塞5)stagnate,淤塞6)choking up,淤塞7)filling silt,填料淤塞8)underground river silting,暗河淤塞9)silting of filtering bed,滤床淤塞10)silting mechanics,淤塞机理