电缆芯线接续前，应保证气闭良好（填充型电缆除外），并应核对电缆程式、对数，检查端别，如有不符合规定者应及时返修，合格后方可进行电

相关题目

• In the microwave transmission,the rain attenuation are calculate
• Digital microwave systems can be used for telephone, data, image
• The remote communication of the microwave relay communication is
• In the digital microwave communication system, in order to meet
• What's function of the duplexer in the microwave communication s