impermeable barrier br>阻流: choked flow层: I storey; tier; stratum不可渗阻流层: impermeable barrier阻流: choked flow◇阻流层 impermeable barrier; 阻流圈 choking coil; choke; reactor流层: streak; schlieren; flow layer下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:阻流层,即可在微信中查询翻译