1. 升压泵站：booster set 增压机组 | booster station 升压泵站 | booster system 升压系统增速系统
2. 增压站：booster pump 增压泵 | booster station 增压站 | booster transmitter 辅助发射机
3. 辅助电台：booster set ==> 增压机组 | booster station ==> 辅助电台 | booster telephone circuit ==> 电话增音电路
4. 辅助(中继)电台, 接力站, 转播电台：booster signal || (微波)中继信号, 提升信号 | booster station || 辅助(中继)电台, 接力站, 转播电台 | booster telephone circuit || 电话增音电路
noun
1. an amplifier for restoring the strength of a transmitted signal
Synonym: booster booster amplifier relay link relay station relay transmitter