- pore size
- 孔道: a narrow passage providing t ...
- 大小: big or small
- 喉道大小: throat size
- 灭火通道大厅 有一定大小: fire-fighting access lobby; fire-fightingacce lo y
- 孔道: a narrow passage providing the only means of access to a certain place; pass; [工业] duct; drill way; pore canal◇孔道膜 porthole die; 孔道狭窄 aretation
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