back-to-back

back-to-back circuit

[电] 背对背电路

back-to-back connection

[计] 背对背连接

back-to-back counter

[计] 加倍计数器

back-to-back letter of credit

[经] 背对背信用证, 对开信用证

back-to-back loan

[经] 对销贷款

back-to-back repeater

[电] 背对背转发器

back-to-back sawtooth wave

[电] 背对背锯齿波

back-to-back test

[计] 背对背试验