- test amplifier
- 测试: test; testing; checkout; mea ...
- 放大器: amplifier; pantograph; lawnm ...
- 放大器: amplifier; pantograph; lawnmower; enlarger; magnifier 共益放大器 bootstrap amplifier
- 磁放大器磁芯的磁性能测试法: standard test method for magnetic properties of magnetic amplifier cores
- 直流放大器特性和测试方法: direct current amplifiers-characteristics and test methods
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