common part sublayer
| protocol data unit
| common part sublayer abbr. | |
| IT | 公共部分子层 |
| Protocol Data Unit abbr. | |
| commun. railw. | 协议觀单元 |
| |||
| 公共部分子层 | |||
|
common part sublayer : 9 phrases in 2 subjects |
| Electronics | 5 |
| Information technology | 4 |