差转机
- 网络transposer; JDD
差转机差转机
transposer
各行业专业英语词汇 - 外贸英语 -... ... transmitter 发射机 transposer 差转机 BCD Binary Coded Decimal 二进制编码十进制数 ...
JDD
二、深圳产2米差转机（JDD-？？？？）1台：
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Methods of measurement of intermodulation products in electronic tubes or valves intended for use in colour television transposers