| • two frequency signalling | |
| दो: 2 couple pair offence II exoneration deuce two | |
| आवृत्ति: issue rote recapitulation return reprint | |
| सिगनल: signal signals | |
| व्यवस्था: act discipline management plan set-up system | |
दो आवृत्ति सिगनल व्यवस्था अंग्रेज़ी में
[ do avrti siganal vyavastha ]
