网络与数据通信 有线网络 释文 data service unit/channel service unit, DSU/CSU 数据服务单元/通道服务单元
- polish
- Polish Army Museum
- Polish cinema
- polished and mirror surface of fault
- polished block
- Polished Glutinous Rice
- Polished Long-grained Nonglutinous Rice
- polisher
- Polish Film School Poland
- Polish Flowers
- Polish folk dance
- Polish Government-in-exile
- polishing
- polishing block
- polishing felt
- Polishing Felts and Blankets
- polishing tool
- Polish language
- Polish literature
- Polish-Lithuanian State
- Polish National Democratic Party
- Polish National Film, Television and Theater School
- Polish notation
- Polish Proletarian Party
- Polish-Russian War