Căutare
Descoperă oameni noi, creează noi conexiuni și faceti-va noi prieteni
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return