- 1. concentric annulus: 同心环空
... 同时simultaneously 同心环空concentric annulus 统计statistics ...
dict.youdao.com - 2. vertical concentric annulus: 垂直同心环形管
dict.youdao.com - 3. concentric annulus electrodes: 环型极板
dict.youdao.com - 4. concentric circular annulus: 同心套管
dict.youdao.com - 5. horizontal concentric circular annulus: 水平同心套管
dict.youdao.com
有道词典