protective signaling system
基本解釋
- [琯理學(xué)]保安信號(hào)系統(tǒng)
詞組短語(yǔ)
- protective e signaling system 保安信號(hào)系統(tǒng)
- proprietary protective signaling system 私有保護(hù)信號(hào)系統(tǒng)
- local protective signaling system 區(qū)域保護(hù)信號(hào)系統(tǒng)
- proprietary E protective signaling system 私有保護(hù)信號(hào)系統(tǒng)
- remote station protective signaling system 遠(yuǎn)程站保護(hù)信號(hào)系統(tǒng)
短語(yǔ)
專(zhuān)業(yè)釋義
- 保安信號(hào)系統(tǒng)