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套管测试器
casing tester
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支管测试器
branch line tester
detail>>
电子管测试器
vacuum tube tester valve checker valve tester
detail>>
互导管测试器
mutual-conductance tube tester
detail>>
晶体管测试器
transistor meter
detail>>
跨导管测试器
transconductance tube tester
detail>>
真空管测试器
vacuum tube test set
detail>>
电动互导管测试器
dynamic mutual-conductance tube tester
detail>>
发射形式管测试器
emission-types tube tester
detail>>
贯眼油管测试器
full-bore tubing tester
detail>>
阴极射线管测试器
crtt || cathode ray tube tester
detail>>
多插座电子管测试器
free point tube tester
detail>>
可编程自动晶体管测试器
programmable automatic transistor tester
detail>>
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