double-section filter

进出口行业... ... double-seat valve 双座阀 double-section filter 两节滤波器 double-shared double wheeled plow 双轮双铧犁 ...

... double-seal port collar 双密封带孔短接 double-section filter 双节滤波器 double-section turbodrill 复式涡轮钻具 ...

英语单词filter是... ... double type filter 重合型滤波器 double-section filter 二节滤波器 double-tuned filter 双调谐滤波器 ...